... : 1- 12 pulley, 3- save up to 30% on costs, heavy duty crane hookfor overhead crane, gantry crane, or hoist etc ... required hook blocks.hookfor crane usecapacity: 1- 250tstrength grade: M, P, S, T, V gradeMaterials:M grade with DG20, or DG20MnP ... /32t/50t/75t/100t/200t. MMD Model Crane forging hook, heavy duty crane hook