Size63Suction cup materialNitrile rubber NBRMaterial hardness [Shore A]55 Shore ANipple materialAluminumConnectionG1/4"-FNumber of folds1.5Vacuum connectionG1/4"-FKE-FSGA 63 NBR-55 G1/4-IGDesign Data Attribute Value d2 44.50 mm Dmax(S) 68 mm dn 4.40 mm Ds 60 mm G1 G1/4"-F H 49 mm LG1 12 mm SW1 17 mm Z (Stroke) 15 mm