0.75 in, Max.
1/2 in, Outside Dia. Rod Seal,1/2 ID x 3/4 OD,1/8 W,PK2 Pressure 5,000 psi, Inside Dia. 1/2 in, Seal Durometer 95 Shore A, Temp.3/4 in, Width 1/8 in, Height 1/4 in, Color Black, Package Quantity 2 Rod Seal, Seal Type B Polyseal, Seal Material Urethane, For Rod Dia.