Chain Hoist. Load-sharing gears provide easy operation and allows you to get the job done effortlessly. Ideal for most industrial applications. With this hoist, you can greatly improve work efficiency and save much labor for workers. Safe to use with steel structure ensuring that you can lift safely and easily. Specifications: Name: Chain block Chain material: Manganese Steel Chain Hook: Forging alloy steel Gear: Heat treated, forged & milling carbon steel. Shell material: pressed alloy steel Max Capacity: 3 Ton (6613Lbs) Standard lifting height: 2.5m Chain diameter: 8mm. Chain length: 3m/6m All dimensions are manually measured, there are certain errors, please understand Hand chain hoist-operation matters: 1. Overload use is strictly prohibited. 2. It is strictly forbidden to operate with power other than manpower. 3. Before use, confirm that the machine parts are intact, the transmission parts and the lifting chain are well lubricated, and the idling condition is normal. 4. Check whether the upper and lower hooks are fastened before lifting. Misoperation such as heavy objects hanging on the tip is strictly prohibited. The lifting chain should be hung vertically without any twisted links, and the lower hook frame of the double-row chain should not be turned over. 5. The operator should stand on the same plane as the hand chain wheel and pull the hand chain to rotate the hand chain wheel in a clockwise direction to make the weight rise; pull the hand chain in the opposite direction and it can slowly fall at noon. 6. When lifting heavy objects, it is strictly forbidden for people to do any work or walk under the heavy objects to avoid personal accidents. 7. During the lifting process, no matter when the weight rises or falls, the force should be even and gentle when pulling the bracelet. Don't use excessive force to avoid the bracelet bounce or snap ring. 8. If the op