Fixed Pulley 1- Capacity: 1- 600t 2- Pulley: 1- 12 pulley, 3- use on overhead, gantry cranes and all kinds hoist, Fixed Pulley ... for overhead crane, gantry crane, or hoist etc use.1- Capacity ... pulley,3- use on overhead crane4- Please kindly contact us for more details of your required hook blocks. hookfor crane usecapacity ...