2-3mm Hex Screwdriver

When your work demands repeated, accurate fastening of 3 mm hex-socket screws, a purpose-built hex driver outperforms the small L-key that came bundled with your hardware. The screwdriver-style handle provides a natural grip that keeps your wrist straight, reducing fatigue and improving torque feel during long assembly sessions on RC cars, drones, 3D printers, camera gear, and electronics enclosures.

Overall length is 196 mm (7.7 in), striking a balance between reach and control. The tool slips into recessed bolt patterns while remaining short enough for precision alignment in tight spaces. At only 31 g, it will not weigh down a travel pouch or pit-lane bag.

This is a single 3 mm metric driver, not a set. If you already own a multi-piece kit and have worn out or lost one size, this is the straightforward replacement. If you are building a custom roll of your most-used sizes, it lets you stock exactly what your equipment requires without paying for tips you will never touch.

The 3 mm tip fits metric socket-head cap screws, set screws, and grub screws. Verify that your fasteners are metric before use. Pair it with other individual Teng Tools drivers to assemble a purpose-matched collection for your specific bench or field work.