STEEL ROPE: steel wire rope has good toughness and fatigue resistance, very strong and . And the tool compensator uses a rubber sleeve to safely the wire rope. It can reduce the buffer force and prolong the service life. MATERIAL: 1. Thickened shell adopts alloy cover, which is lighter and ; 2. Alloy steel hook, high-strength forged hook, it isn't easy to fall off; 3. The high-strength hook with lock, it is and secure. IMPROVE WORK EFFICIENCY: Spring balancers can increase production line , complete production tasks faster and increase output. A GOOD HELPER AT WORK: The tool balancer has no electrical or pneumatic hazards, has a device to tool damage, and can instantly lock hanging objects to avoid falling Wide Usage - This spring balance can be used in many situations to meet the different needs, such as equipment fixed, part installation, material and tool hanging, and etc., Manufacturer: DUBTEDHOU