Posi Lock 104 4" Reach, 0.5" - 5" Spread, 5 ton Capacity 3 Jaw Puller Cage to guide jaws for fast set up, solid contact and superior safety Centerbolt threads designed to apply high torque with less effort Leverage up front for vise-like power and no slippage Nut recessed to avoid mushrooming and disfiguration from impact Slim tapered jaws allow for easier gripping and better access to tighter spots