Size25Suction cup materialNitrile rubber NBRMaterial hardness [Shore A]55 Shore AVacuum connectionG1/8"-MKE-SUF 25 NBR-55 G1/8-AGDesign Data Attribute Value Dmax(S) 28.20 mm Ds 25 mm dn 4.10 mm G1 G1/8"-M H 17.20 mm LG1 7.50 mm SW1 14 mm Z (Stroke) 2.50 mm