Fits hydraulic cylinders on vehicles with gland nuts from 1 to 3-3/4 / 25mm to 95mm (8600) 2 to 6 / 51mm to 152mm (8605) Reverses to work on 1/4 or 7/32 17/64 or 21/64 pinholes Use with 1/2 3/4 square drive ratchet or breaker bar o 8600×01 – 1 Pc. Replacement Pin (S2 Steel) o 8605×01 – 1 Pc. Replacement Pin (S2 Steel)