Smooth card slot: Fit the chain trend, smooth and non-stick chain, smooth operation, labor saving.Cast steel bracelet wheel: Cast steel material, one-piece casting, anti-fall and durable.Manganese steel chain: G80grademanganesesteelchain, strong bearing capacity.not easy to break, strong and durable.Quenching hook: Alloy steel forged hook, equipped with insurance card, the item is not easy to fall off, use it at ease.Lever hoist is a kind of portable and versatile hand-operated loading and pulling appliance, which is capable of being applied in electricity, mines ,ship buildings, construction sites, transports, postage and telecommunication for installing equipment, lifting goods, pulling mechanical parts, bulk strapping and fastening, tightening fitting of wires ,assembling and welding etc.It has exceptional advantages particularly for pulling in every limited narrow places, in the upper air high above the ground and at any angles.1. In accordance with international standards, safe and reliable, durable.2. Good performance, easy maintenance.3. Great toughness, small volume, light weight, easy to carry.4. Hand pull small machine parts, high strength.5. Advanced structure, good appearance.6. Lifting goods without power supply area.