[Durable] - Quenched and heat treated S2 alloy steel bits, high hardness, reduce wear-outs. [Torque Strength] - Complete corrosion resistance and rust resistance, mirror-polished and nickel-plated sockets and phosphate bits finish. Bit: Drop-forged, Heat-treated S2 alloy steel, durable to use with its high hardness (58 HRC). * Drive Sockets: Heat-treated Chrome Vanadium Steel, hardened to increased torque power Press the bit directly into the socket to make a permanent connection. Drive Sockets: Heat-treated Chrome Vanadium Steel, hardened to increased torque power. 1/2 Drive Extra Long Spline Bit Sockets Drive Shafts VW Audi M8 - M14 Sourcingmap 1/2" Drive x M8 (8mm) Triple Square Spline Bit Socket, S2 Steel Bits CR-V Sockets 4" Length Use with Ratchet Wrench, Slide Bar, Extension Rod Four detent grooves in the socket drive end provide a secure connection with spring-loaded detent balls of a drive tool, ensures the sockets won't slide or drop. [Size] - 1/2-inch square drive socket, M8 (8mm) 12-point Bit, 4-inch (100mm) total length. [Precision Bits] - Automatically process bit tips to ensure accurate size, chamfered ends insert smoothly into fastener head, reducing wear. Multi Tool Nanon 10Pcs Xzn 12 Point Mm Triple Square Spline Bit Socket S2 Steel 4 1 2 Drive M8 Spline Bit Socket And the product has no insulation properties and is not suitable for electrical environments.