verlacod Wrench Extender Adapter and Wrench Extender Tool Bar Set Universal 1/2inch Drive Breaker Bar Extender for Bolts Nuts [Extra Leverage and Torque] The wrench extender tool bar end has a 1/2inch square, and you can attach a breaker bar or ratchet to the tool for super tight bolts. It also provides extra torque to easily and safely loosen rusted bolts, seized fasteners, or overtightened nuts. The maximum leverage is for hard-to-reach spaces, suitable for most hex, Allen, TX, XZN, and socket wrenches. [Easy to Use] Our wrench extender tool bar helps make tough bolts that every machine cannot reach. Two opposing steel jaws can hold wrench tightly and provide the leverage you need. Bolt heads gain torque when pulled from a convenient location. [Durable Steel Material] The wrench extender adapter is made of heat-dealing steel with protective coating, prevent rust and resist discoloration, can be used on rusty nuts and bolts. The heavy duty construction can prevent driver from slipping or rounding. The adapter is compatible with 1/2inch drive or 21mm hex drive. [Easy to Tighten and Loosen] The wrench extender adapter is designed to extend wrench with another wrench for more leverage. It can easily loosen or tighten stubborn rusty nuts and bolts on different wrenches. You can place it on the opposite side of the wrench to change to tighten or loosen. [Universal Wrench Extender Adapter] The universal wrench extender adapter is suitable for adding more leverage to tough nuts and bolts and for getting into hard-to-reach areas. It can save your time and energy, suitable for professionals and technicians working on heavy equipment.