Specifications The following suction power is for reference only; when making a selection, please leave a margin based on the product Round shape, 15MM diameter, 2MM thick (strong magnetic with adhesive backing) Round shape, 20MM in diameter, 2MM thick (without text or adhesive backing) (suction force approximately 60 grams) Round shape, 20MM in diameter, 1MM thick (suction force approximately 25 grams) Round shape, diameter 20MM, thickness 1.5MM (suction force approximately 40 grams) Round shape, 20MM in diameter, 2MM thick (suction force approximately 60 grams) Round diameter 15mm, thickness 1mm Round shape, 15MM diameter, 1.5MM thick Round shape, 25MM in diameter, 1MM thick (suction force approximately 35 grams) Round shape, diameter 25MM, thickness 1.5MM (suction force approximately 55 grams) Round shape, diameter 25MM, thickness 2MM (suction force approximately 90 grams) Round shape, 30MM in diameter, 1MM thick (suction force approximately 55 grams) Round shape, 30MM in diameter, 1.5MM thick (suction force approximately 100 grams) Round shape, 30MM in diameter, 2MM thick (suction force approximately 130 grams) Round shape, diameter 35MM, thickness 1MM (suction force approximately 70 grams) Round shape, 35MM in diameter, 2MM thick (suction force approximately 150 grams) Round shape, diameter 35MM, thickness 1.5MM (suction force approximately 130 grams) Round shape, 40MM in diameter, 1MM thick (suction force approximately 90 grams) Round shape, 40MM in diameter, 1.5MM thick (suction force approximately 150 grams) Round shape, 40MM in diameter, 2MM thick (suction force approximately 190 grams) Round shape, 45MM diameter, 1MM thick Round diameter 45mm, thickness 2mm Round shape, 50MM diameter, 1MM thick Round shape, 50MM diameter, 1.5MM thick Round shape, 50MM diameter, 2MM thick Round shape, 60MM diameter, 1MM thick Round shape, diameter 60MM, thickness 1.5MM Round shape, 60MM diameter, 2MM thick Round shape, diameter 70MM, thickness 1MM Round shape, diameter 70MM, thickness 1.5MM Round diameter 70mm, thickness 2mm Round shape, diameter 80MM, thickness 1MM Round shape, diameter 80MM, thickness 1.5MM Round diameter 80mm, thickness 2mm Round diameter 100mm, thickness 1mm Round shape, diameter 100MM, thickness 1.5MM Round diameter 100mm, thickness 2mm Round shape, 120MM diameter, 1MM thick Round shape, diameter 120MM, thickness 1.5MM Round diameter 120mm, thickness 2mm