Yamoto: Socket Bi-hexagon 1/2" Square Drive 13mm Chrome Vanadium (12-Point) These 12 point Bi-Hexagon Sockets feature a side drive design that gives a higher torque than normal sockets, can grip grip worn nuts and will not round off existing nuts. All products possess a ball-retaining groove on each face of the square drive, which ensures a positive fit with accessories and only require a one-twelfth turn to engage the next point of the socket. Aviailable in a range of metric sizes to suit your needs. Features and Benefits Has the ability to grip worn nuts and will not round off even with regular use Ball retaining groove ensures a positive fit with accessories for accurate and strong action 12 point bi-hexagonal design delivers a higher torque than ordinary 6 point sockets Available in a range of metric sizes to suit your needs Typical Applications Automotive DIY Construction Electrical Plumbing MPN: 5036140213890 EAN: 5036140213890 Socket Bi-hexagon 1/2" Square Drive 13mm Chrome