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Wera Series 7400 Kraftform torque screwdriver lying horizontally, black-and-green handle to the right, the in-lbs adjustment scale on the shaft and the Rapidaptor chuck at the tip on the left.

Wera

Series 7400 Kraftform Torque Screwdriver, 10–26 in·lbs

$89.66

Riley's torque driver, for the screws that hold the dot on. Set the number, turn until it clicks, stop.

An optic-mount screw has a torque spec and a mounting plate has a thread that strips, and the space between them is about ten inch-pounds; a torque screwdriver is how you land in it every time. Wera's 7441 is the adjustable Series 7400: the range is 1.2 to 3.0 newton-metres, 10.6 to 26.6 inch-pounds, set on the scale in the handle without any special tool, and the driver clicks in the hand when it gets there and stops driving. A Rapidaptor quick-release chuck takes any quarter-inch hex bit one-handed, so the Torx bit for the optic and the hex for the grip screws both live with it. The Kraftform handle is the multi-component one Wera puts on everything, shaped to the hand. German made, limited lifetime warranty. The other ranges in the series run from 2.5 up to 55 inch-pounds; this is the one that covers a pistol.

Where to buy it ↗

Options

Range

1.2–3.0 Nm · 10.6–26.6 in·lbs

Chuck

Rapidaptor, 1/4" hex bits

Other ranges

2.5–11.5 · 11–29 · 25–55 in·lbs

Shops add and retire options — see everything pictured, and check what's currently available, on the product page.

Links go straight to the maker or a shop that carries the item, and prices are theirs — they change, so treat anything quoted here as a guide. Nothing is paid placement.