Size25Suction cup materialSilicone SIMaterial hardness [Shore A]55 Shore AMaterial characteristicsFDA-compatibleVacuum connectionG1/8"-FKE-SUF 25 SI-55 G1/8-IGDesign Data Attribute Value Dmax(S) 28.20 mm Ds 25 mm dn 4.10 mm G1 G1/8"-F H 25.20 mm LG1 8 mm SW1 14 mm Z (Stroke) 2.50 mm