10~50KN hoisting iron pulley block, to erect pole and pylon ,line construction ,hoist devices ,etc. Hoisting iron pulley block Order numberModelNumber of sheavesRated load (kN)Outside diameter×width(mm)Diameter of rope (mm)Weight (kg)Hoisting point type10502QH1-1K110Φ100×31Φ7.72.8GH-10503QH1-2210Φ80×28Φ62.8GH-10504QH1-3310Φ80×27Φ64.1GH-10505QH2-1K120Φ120×35Φ9.34.2GHB10506QH2-2220Φ100×31Φ7.74.2GH- ...