TEKTON 3/8 Inch Triple Square Bit Socket Set with Rail, 8-Piece (M4-M12) | SHB91108

• Includes 8-pc. 3/8 in. drive triple square bit sockets: M4, M5, M6, M7, M8, M9, M10, M12; Socket rail
• S2 steel bits are press-fit into the socket for a straight, permanent connection that can't loosen over time
• Triple square (XZN) S2 steel bit tips are machined to precise tolerances for strong engagement with fastener heads
• Large, clear die-stamped size markings are easy to read and can’t wear off
• Four detent grooves provide a secure connection with the drive tool
• Polished, chrome-plated finish easily wipes clean and is highly resistant to corrosion
• Twist-to-lock socket rail organizes and securely holds sockets in place, both for in your toolbox and on the go

Tekton S2 steel bits are press-fit into the socket for a straight, permanent connection that can't loosen over time. The triple square tip geometry is machined to precise tolerances for an exact fit with fasteners. The set includes a twist-to-lock socket rail that keeps the sockets securely organized.