1 piece, aluminum alloy ratchet wheel, High strength, electro-plated steel parts and the suggested application Lifting construction metal, Erecting buildings and towers, Moving, placing and installing heavy equipment, Tightening conveyer belts and Clearing debris.Galvanized 5/16 inch aircraft cable, Notch-at-a-time letdown,Drop forged steel slip hooks,Permanent, non-slip plastic grips