Klein Tools 65129 2-in-1 Nut Driver, 1/4, 5/16-Inch Hex Slide Drive, 6-Inch | Nut Driver with Hex Head Slide Drive — Drivers & Sets product photo
Klein Tools 65129 2-in-1 Nut Driver, 1/4, 5/16-Inch Hex Slide Drive, 6-Inch | Nut Driver with Hex Head Slide Drive — additional product viewKlein Tools 65129 2-in-1 Nut Driver, 1/4, 5/16-Inch Hex Slide Drive, 6-Inch | Nut Driver with Hex Head Slide Drive — additional product viewKlein Tools 65129 2-in-1 Nut Driver, 1/4, 5/16-Inch Hex Slide Drive, 6-Inch | Nut Driver with Hex Head Slide Drive — additional product viewKlein Tools 65129 2-in-1 Nut Driver, 1/4, 5/16-Inch Hex Slide Drive, 6-Inch | Nut Driver with Hex Head Slide Drive — additional product viewKlein Tools 65129 2-in-1 Nut Driver, 1/4, 5/16-Inch Hex Slide Drive, 6-Inch | Nut Driver with Hex Head Slide Drive — additional product viewKlein Tools 65129 2-in-1 Nut Driver, 1/4, 5/16-Inch Hex Slide Drive, 6-Inch | Nut Driver with Hex Head Slide Drive — additional product view
Drivers & Sets

Klein Tools 65129 2-in-1 Nut Driver, 1/4, 5/16-Inch Hex Slide Drive, 6-Inch | Nut Driver with Hex Head Slide Drive

Brand: Klein Tools

Availability set by the retailer

The Klein Tools 65129 2-in-1 Nut Driver is a single driver that covers the two most common hex nut sizes — 1/4-inch and 5/16-inch — using a unique, patented tip that slides back and forth between the two sizes, so one tool replaces two in the pouch. A simple twist of the thumb nut locks the tip setting in place, keeping the selected size fixed while you work, and a magnet in the hex holds the fastener securely regardless of which driver size is selected. The 6-inch shaft reaches recessed nuts and terminal bolts that a stubby driver cannot, while the Cushion-Grip handle adds torque and comfort for repeated turning. The patented slide-drive design is covered by U.S. Patent 7,654,175 B2 and is built with the forged-alloy quality Klein Tools has manufactured in the USA since 1857. The driver measures 10.25 inches overall and weighs 8 ounces, with a black-and-yellow cushion-grip finish and a hang-hole end for tool-belt storage. It is a practical everyday driver for electricians, HVAC technicians, mechanics, and maintenance crews who regularly drive 1/4-inch and 5/16-inch hex nuts on terminals, clamps, and fittings. Brand: Klein Tools; Model: 65129; Mfg. Part: SW643KLE; Sizes: 1/4-Inch and 5/16-Inch hex; Shaft Length: 6 inches; Overall Length: 10.25 inches; Weight: 8 ounces; Color: Black/Yellow; Handle: Cushion-Grip; End Style: Hang Hole; Patent: U.S. 7,654,175 B2; ASIN: B0716VDFTD.

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Choosing Drivers & Sets

Screwdriver or bit driver — which should I buy?

A dedicated screwdriver with a fixed tip gives better feel and torque control for one fastener type. A bit driver or set covers many recess types in one handle and is more versatile for mixed work. For repetitive driving, a ratcheting driver reduces hand fatigue.