1. D NEW VERSION The old version was easy to break, but in this version, the front part of the paw is reinforced. Tools required: adjustable wrench, openend wrench, or air wrench. Do not use impact wrench as it will damage the bead breaker. Fit Type: Universal2. EXCELLENT REMOVING TOOL Our tire bead tool can perform well on the tires by loosening the tire bead from the rim with leverage without removing the wheels. Applicable: 38' and 42' 14ply farm tractor.3. LIGHTWEIGHT COMPACT The tire bead breaker tool is lightweight, durable, easy to use, and carry. It can be stored in your garage, workspace, or recreation vehicle easily.4. EASY TO USE The bead breaker tool can work with adjustable wrenches, openend wrenches, or air wrenches (wrenches are not included). Place the bead breaker onto the rim with teeth and breaker foot between the rim and tire bead. Tighten the rim clamp jaw until snug with a hand wrench.