Function: The spring-loaded detent ball firmly locks the extension on the sockets to improve your work efficiency. The extension has a unique design, durable construction, easy operation, and can quickly and accurately complete various tightening and disassembly tasks. Antislip with ergonomical shape provide great comfortable grip, precise tip ensure more secure fit. It can reach into the narrow place. for use in complex environments. Applicable to various vehicles: Urgent tool or tire repair tool for Car Truck Vehicle Motorcycle etc. Specification: Product Name: 1/2 Inch Drive Socket Extension Adapter Material: Carbon Steel Color: Silver Tone Fit for: 1/2 Inch Drive Square Socket Size: 250x43mm / 9.84"x1.69"(L*W) Material: Durable Carbon Steel, solid construction, anti-corrosion and anti-rust.High precision and hardness to provide a much longer service life.Installation Instructions:The Extension Bar can be added between a ratchet and socket to extend the range of the socket.Item List:1 Pcs Impact Socket Extension Bar