Parts List: 1Wrench Extension Tool 1Wrench Adapter OR 1Wrench Extender Adaptor Key Feature: Wrench Extender Tool Bar: The wrench extender tool bar can gain leverage on hard-to-reach bolts or nuts, just simply lock a standard open-end or box-end wrench into the jaws. The slim design can reach most restricted spaces. You can avoid the risk of damaging tools when locking two wrenches together. Specification: Product Name: Wrench Extender Adapter and Wrench Extender Tool Bar Set Material: Steel Color: Black + Silve Size: Wrench Extender Adapter: 7.98cm/3.14inch length Wrench Extender Tool Bar: 34cm/13.4inch length Scope of application: electric/manual wrench Highlight [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.