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: 2:1