Tekton SHB99100 3/8" Drive Triple Square/1/2" Drive, 11-Piece

3/8 Inch Drive Triple Square and 1/2 Inch Drive TR Triple Square Bit Socket Set with Rail, 11-Piece (M4-M12, MT14-MT18)

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

• 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
• 8-pc. 3/8 in. drive triple square bit sockets: M4, M5, M6, M7, M8, M9, M10, M12
• 3-pc. 1/2 drive tamper-resistant triple square bit sockets: MT14, MT16, MT18
• Socket rail