Size7Suction cup materialSilicone SIMaterial hardness [Shore A]55 Shore AMaterial characteristicsFDA-compatibleNipple materialAluminumConnectionM5-MNumber of folds2.5Vacuum connectionM5-M KE-FSG 7 SI-55 M5-AGDesign Data Attribute Value d2 1.80 mm dn 2.50 mm Dmax(S) 7 mm Ds 5.90 mm G1 M5-M H 19 mm LG1 5 mm SW1 7 mm Z (Stroke) 3 mm