Brand Name: cm | Drive Size: 3/8 in. drive | Material: Alloy Steel | Metric or SAE: Metric | Number in Package: 1 pc. | Number of Points: 6 Point | Packaging Type: Carded | Socket Size: 10 mm | Style: Deep | Impact Rated: No You need the cm 10 mm deep socket for turning nuts onto bolts when the bolt extends upward into the socket. Deep sockets can also give you a little extra reach when tightening or loosening a stubborn nut or bolt. This deep socket is made with easy-to-read markings that increase visibility even in low light. cm builds tools to last and this socket is made with quality alloy steel with a 3/8 inch drive. For the same amount of power and grip with a little extra reach and functionality, look toward the cm 10 mm deep socket. | 3/8 in. drive size | Large, easy-to-read markings that let you find the correct size quickly | This socket is made of alloy steel with a highly polished finish that lets you wipe it clean quickly and easily | 6 Points of contact make it easy to grip hardware without stripping it | Deep socket plunges into areas where a shallow socket could not make contact | Easy to read | Made of alloy steel