Size12Suction cup materialNitrile rubber NBRMaterial hardness [Shore A]55 Shore ANipple materialAluminumConnectionM5-MNumber of folds2.5Vacuum connectionM5-MKE-FSG 12 NBR-55 M5-AGDesign Data Attribute Value d2 5 mm dn 2.50 mm Dmax(S) 13 mm Ds 12 mm G1 M5-M H 26 mm LG1 5 mm SW1 7 mm Z (Stroke) 7 mm