Features Designed to hang objects of weight to lighten the load. 0.3 tons lifting weight, smooth operation and low wear. Easy to operate and maintain, high work efficiency. High strength pulley block, sturdy structure, durable and reliable. Professional manufacturing pulley block with heat treated, high reliability. Features: Designed to hang objects of weight to lighten the load. 0.3T lifting weight, smooth operation and low wear.  High strength pulley block, sturdy structure, durable and reliable. Easy to operate and maintain, high work efficiency. Professional manufacturing pulley block 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* Pulley Block Package List 1* Pulley Block