5.0MM 1/4" SQ. DR. HI-TORQ® 6 POINT SOCKET STOCK NO: 51803 PART NO: B-MM FEATURES: Manufactured and tested generally in accordance with DIN3122 and ISO3315 Specifications Expert Quality, 6 point sockets manufactured from chrome vanadium steel hardened, tempered, chrome plated and polished for corrosion protection. Chamfered ends allow positive nut location. Display packed.