
Extension bars, sometimes called 'extender arms', allow access to nuts that are difficult to reach, typically in automotive applications. This Teng Tools extension bar has a 3/8 inch square drive. It is manufactured from chrome vanadium steel for strength and durability, and has a satin finish. The TENM380022 extension bar has the following specifications: Drive: 3/8 inch. Length: 250mm (10 inch). TENM380022