Draper Expert Quality 1/2\"" Square Drive TX-Star Socket - E20. Expert Quality, socket manufactured from chrome vanadium steel, that's hardened and tempered with a polished finish. Display packed. 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. Brands we stock range from; Draper, Sealey & Silverline.