Incorporates a pulley block, doubling the pulling power by double-lining the cable through it. One piece pulley block wheels for longer cable life. Padded comfortable round grip. Automatic notch-at-a-time control. Galvanized aircraft test cable. Cast ratchet wheel and pawls for longer life. Heavy zinc-plated steel. Drop forged steel hooks. Strong handle. Heavy gauge steel, ratchet guard. Strong clevis pins. Safety factor capacity of 2:1.