Crane hook blocksFor overhead crane, gantry crane, or hoist etc use. 1- Capacity: 1- 600t 2- Pulley: 1- 12 pulley, 3- use on overhead crane , gantry cranes and all kinds hoist, 4- Please kindly contact us for more details of your required hook blocks. Hook For crane use Capacity: 1- 250t Strength grade: M, P, S, T, V grade Materials: M grade with DG20, or DG20Mn P grade with DG20Mn S grade with DG34CrMo T grade below 40t with DG34CrMo, more than 40t with DG34CrNiMo or DG30Cr2Ni2Mo V grade below 40t with DG34CrNiMo or DG30Cr2Ni2Mo, more than 40t with DG30Cr2Ni2Mo. Model: Single hook: 5t/6t/10t/12t/16t/20t/25t/32t/40t/50t/63t/80t/100t/125t/160t/200t/250t Double hook: 10t/12t/16t/20t/25t/32t/40t/50t/63t/80t/100t/125t/160t/200t/250t. Block model: 3.2t/ 5t/10t/16t/20t/25t/32t/50t/75t/100t/200t.