Teng Tools specialises in a range of mechanics' hands tools to suit the price conscious professional user and the quality conscious DIY enthusiast. The Tools have been designed to Teng's own specifications, which meet or exceed British European or federal standards.\nThis Teng Tools socket is a professional, bi-hexagon 1/2in Square Drive socket. It has been produced in accordance with ISO 9000 and AS954 specifications for increased torque and reduced risk of rounding fasteners.\nMade from chrome vanadium steel for strength and durability, with a satin finish.\nThe TENM120521 Bi-Hexagon, 12-point socket has the following specifications:\nSize: 21mm. \nLength: 38mm.\n\n--\nOur eBay Store\n\nPlease note: This item has a longer lead time for dispatch then normal as it's a non-stocked item that is ordered in, please see the estimated delivery date by eBay. We will of course ship the item sooner if possible.\n\nTeng M120521-C Bi-Hexagon Socket 12-Point 1/2in Drive 21mm\n\nProduct Details\n;