Specifications and models 10.5*9.5*4cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); e pit 10.5*9.5*4cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 15*10*4cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); e pit 15*10*4cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 15*15*5cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); e pit 15*15*5cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 15*15*5cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 15*15*5cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 18*12*3.8cm; kk extra hard (only shipped within guangdong province, not shipped to others, free shipping for orders over 58); e pit 18*12*3.8cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 20*11*4cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); e pit 20*11*4cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 20*12*3.8cm; kk extra hard (only shipped within guangdong province, not shipped to others, free shipping for orders over 58); e pit 20*12*3.8cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 20*14*4cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); e pit 20*14*4cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 20*14*4cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 20*14*4cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 20*14*5cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); e pit 20*14*5cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 20*14*5cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 20*14*5cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 21*15*4cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); e pit 21*15*4cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 22*12*3.5cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); e pit 22*12*3.5cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 22*14*4cm; kk extra hard (shipping only within guangdong province, no shipping to other provinces, free shipping on orders over 58 rmb); e-flute 22*14*4cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 22*14*6cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); e pit 22*14*6cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 22*15.5*4.5cm; kk extra hard (only shipped within guangdong province, not shipped to other places, free shipping for orders over 58); b pit 22*15.5*4.5cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 22*16.5*5.5cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 22*16.5*5.5cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 23*16.5*7cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); e pit 23*16.5*7cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 23*16.5*7cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 23*16.5*7cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 25*15*4cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); e pit 25*15*4cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 25*15*4cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 25*15*4cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 25*20*7cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); e pit 25*20*7cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 25*20*7cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 25*20*7cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 26*16*5.5cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 26*16*5.5cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 27*16.5*5cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); e pit 27*16.5*5cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 27*16.5*5cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 27*16.5*5cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 28*28*12cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 28*28*12cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 29*22*5.5cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 29*22*5.5cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 30*17*7cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 30*17*7cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 30*21*10cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 30*21*10cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 30*21.5*5cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); e pit 30*21.5*5cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 30*21.5*5cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 30*21.5*5cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 31*23*7cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); e pit 31*23*7cm; kk extra hard (only shipped within guangdong province, not shipped to other places, free shipping for orders over 58); b pit 31*23*7cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 31*23*7cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 34*24*4cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); e pit 34*24*4cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 34*24*4cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 34*24*4cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 34*24*7cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); e pit 34*24*7cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 34*24*7cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 34*24*7cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 36*26*4cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); e pit 36*26*4cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 36*26*4cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 36*26*4cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 36*26*6cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); e pit 36*26*6cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 36*26*6cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 36*26*6cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 36*30*6cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); e pit 36*30*6cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 36*30*6cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 36*30*6cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 38*29*6cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); e pit 38*29*6cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 38*29*6cm; kk extra hard (outside guangdong province, free shipping for orders over 58); e pit 38*29*6cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 40*29*10cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 40*29*10cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 40*30*6cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 40*30*6cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 40*30*7cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 40*30*7cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 40*30*8cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 40*30*8cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 43*30*5cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 43*30*5cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 43*33*6.5cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 43*33*6.5cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit 47*35.5*7cm; kk extra hard (only shipped within guangdong province, not shipped elsewhere, free shipping for orders over 58); b pit 47*35.5*7cm; kk extra hard (outside guangdong province, free shipping for orders over 58); b pit