Size11Suction cup materialNitrile rubber NBRMaterial hardness [Shore A]55 Shore ANipple materialAluminumConnectionG1/8"-FNumber of folds1.5Vacuum connectionG1/8"-FKE-FSGA 11 NBR-55 G1/8-IGDesign Data Attribute Value d2 5.10 mm Dmax(S) 13 mm dn 3.50 mm Ds 10.40 mm G1 G1/8"-F H 28 mm LG1 8 mm SW1 14 mm Z (Stroke) 4 mm