Lift Heavy Loads with Ease Stable Triangular Design Easy Multi-Angle Adjustment Quick and Simple Installation Versatile and Reliable Universal Compatibility TYPE Hoist Support Arm Load Capacity 300-600 kg Extension Tube Extension Length 14.37±0.24 inches/365±6 mm Item Model Number DHZJ-300/600KG Rotatable Angle 180° Product Weight 40.12 lbs/18.2 kg Material Carbon Steel Extended Small Square Tube 661.39 lbs/300 kg Swing Arm Large Square Tube 1322.78 lbs/600 kg .