Features: Built-in self-locking control system of the tower wheel locks the hanging objects; The cable is made of high-quality steel, which is corrosion-resistant, has long service life and strong bearing capacity; Used in occasions as construction site, factory, workshop, automobile equipment, machinery manufacturing, etc Used for hanging variety of tools to improve working efficiency; The built-in cable is 1.5meter long; Specifications: Material:Steel Load Capacity:1-3kg/2.2-6.61lb,3-5kg/6.61-11.02lb,5-7kg/11.02-15.43lb,5-9kg/11.02-19.84lb,(Optional) 1-3kg Spring Balancer Bearing:Max 3kg/6.61lb;Minimum Bearing:1KG/2.2lb; 1-3kg Spring Balancer Wire Length:Approx.1.5m/59.06in 3-5kg Spring Balancer Bearing:Max 5kg/11.02lb;Minimum Bearing:3KG/6.61lb; 3-5kg Spring Balancer Wire Length:Approx.1.5m/59.06in 5-7kg Spring Balancer Bearing:Max 7kg/15.43lb;Minimum Bearing:5KG/11.02lb; 5-7kg Spring Balancer Wire Length:Approx.1.5m/59.06in 5-9kg Spring Balancer Bearing:Max 9kg/19.84lb;Minimum Bearing:5KG/11.02lb; 5-9kg Spring Balancer Wire Length:Approx.1.5m/59.06in Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xSpring Balancer