... gantry cranes and all kinds hoist, Crane forging hook for overhead crane, gantry crane, or hoist etc ... kindly contact us for more details of your required hook blocks. hookfor crane usecapacity: 1- 250tstrength grade: ... M, P, S, T, V gradeMaterials:M grade with DG20, or DG20MnP grade with ... DG30Cr2Ni2Mo, more than 40t with DG30Cr2Ni2Mo.Model:Single hook: 5t/6t/10t/12t/16t/20t/25t/ ...