Specification Material: Chrome Vanadium Steel Finish: Chrome Plated, Polished Square Drive: 3/8-inch Socket Length: 1.1-inch Sliding Wrench Length: 164mm / 6.5-inch Extension Bar Length: 145mm / 6-inch Package Content: 1 x 6 Point Shallow Socket 1 x Sliding T-Handle Socket Wrench 1 x Extension Bar Combination Socket Wrench The set has the same drive (3/8-inch), which can be combined at will. Extension Bar: Providing offset clearance for hard-to-reach fasteners. Sliding T-Handle Wrench: can apply more leverage and torque. It can be used with the socket of various sizes. Great tools for disassembly and tightening of hexagon head bolts and nuts. Note: This product is a hand tool and must not be used on power tools. It may damage the product and pose a safety risk. Read more Product Details 6-Point Socket Has a 6-point opening that snugly fits the hex shape of fastener heads, allowing it to apply maximum torque without slipping. Sliding T-Handle Wrench The square head can slide on the rod and can apply more leverage, therefore apply more torque to a fastener. Spring Loaded Ball Detent Four detent grooves in the socket drive end provide a secure connection with spring-loaded detent balls of a drive tool, ensures the sockets won't slide or drop. Read more Wide Application