Size43Suction cup materialNitrile rubber NBRMaterial hardness [Shore A]55 Shore ANipple materialAluminumConnectionG1/4"-MNumber of folds1.5Vacuum connectionG1/4"-MKE-FSGA 43 NBR-55 G1/4-AGDesign Data Attribute Value d2 21.90 mm Dmax(S) 47.50 mm dn 4.40 mm Ds 38 mm G1 G1/4"-M H 31.60 mm LG1 11 mm SW1 17 mm Z (Stroke) 10 mm