The frame is of all steel designed composition and hooks designed on heavy steel forgings to withstand shocks due to load rotation and to enable it to swivel freely.The load chain is made out of grade 80 steel.Tested and calibrated as per is3109-p-11 the hand chain is made of grade 30 steel.Gears are of alloy steel duly hardened for longer life.The brake is an automotive positive positive loadbrake,which is of a self-sustained disc types.Improved design and skillful workmanship has helped to improve eficiency.
