Draper Expert Quality Chrome 1/4" Square Drive 6 Point Deep Socket - 13mm. This deep socket is manufactured from chrome vanadium steel, hardened and tempered with a micro satin finish. Each socket has a knurled ring for extra grip and is sold individually. Offering a range of genuine tools, from Power Tools to Hand Tools, we are sure to cover your wants and needs. You are assured of high quality products from manufactures with over 30+ years experience.