Wire Rope Sheaves made of Cast Iron (Model No. 23)Wire Rope Sheaves made of Cast Iron (Model No. 23) Turned groove, drilled shaft hole, compatible with gin blocks and loading blocks No. 22 and with wire rope guide pulleys No. 829. Also available with red brass bushing (version "R") or roller bearing (version "W"). At 310mm sheaves groove is untreated. Range of pulley capacity from 500kg to 5000kg Range of pulley diameter from 115mm to 310mm Specification SKU 182 23 115 182 23 155 182 23 220 182 23