Crane single hook 1- Capacity: 1- 600t 2- Pulley: 1- 12 pulley, ... - use on overhead, gantry cranes and all kinds hoist, Crane single hookforging hook for overhead crane, gantry crane, or hoist etc ... with DG34CrNiMo or DG30Cr2Ni2Mo, more than 40t with DG30Cr2Ni2Mo.Model:Single hook: 5t/6t/10t/12t/16t/20t/25t/32t/40t ...