ANVER Vacuum Cups and Suction Cups Model: OP-20X100 CUP & SEAL Part Number: A-3350050 ANVER and P-Series Description and Part No. Connection Thread Size Diameter in. (mm) Height in. (mm) Item Weight oz. (grams) Load Capacity at 24 in. Hg (609.6mm Hg) [2:1 Safety Factor] lb (kg) OP-20X100 CUP & FITTING (Ethylene-Propylene) A-3350050 33.50.050 OP20X100.50.21UA G 1/8″ Female 4.37 [L] 1.19 [W] (111.0) [L] (30.1) [W] 0.71 (18.0) 3.28 (93) 21 (9.5)