Features 0.3 ton lifting weight, smooth running and low wear. Designed to hang heavy items to ease the load. High strength pulley, sturdy structure, durable and reliable. Easy to use and maintain, high work efficiency. Professional pulley block with heat treated, high reliability. Features: Designed to hang heavy items to ease the load. 0.3 t lifting weight, smooth running and low wear. High strength pulley, sturdy structure, durable and reliable. Easy to use and maintain, high work efficiency. Professional manufacturing pulley with heat treated, high reliability. Specification: Condition: 100% Brand New Model: #01 half sheathed bearing with ring #02 half sheathed bearing without ring #03 fully enclosed bearing without ring (Optional) Package list: 1 x pulley. Package List