Check the listing for details. Electric Hoist Support Arm, 660 lbs Max Load Capacity, Electric Hoist Holder.... Color: Neutral, Condition: New, Made in China. Listed at 91.80 USD. Electric Hoist Support Arm, 660 lbs Max Load Capacity, Electric Hoist Holder Swing Arm with Pole, Steel Hoist Frame, 180 Swivel Scaffold Hoist Lifting Arm, Winch Hoist Arm for Workshop, Garage Lift Heavy Loads with Ease Stable Triangular Design Easy Multi-Angle Adjustment Quick and Simple Installation Versatile and Reliable Universal Compatibility Extension Tube Extension Length: 14.370.24 inches/3656 mm,Product Size (Extension Tube Extended): 50.59 x 5.91 x 29.72 inches/1285 x 150 x 755 mm,Item Model Number: HST-750,Rotatable Angle: 180,Product Weight: 28.44 lbs/12.9 kg,Material: Carbon Steel,Extended Small Square Tube: 330.69 lbs/150 kg,Swing Arm Large Square Tube: 661.39 lbs/300 kg