Products for bench top machinists | LittleMachineShop.com

Magnetic Thumb Driver

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$2.8 $3.95 In stock

KWICK’s 1/4″ Hex Thumb Driver. 3D Printed in Siraya Tech “Build” resin with a rare earth magnet to hold all sorts of 1/4″ hex bits. 

This tool is probably the easiest way to adjust your carb pilot screws.

NOTE: No bits are included. 

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 5 reviews)

Nicholas F. ★★★★★

The magnet is surprisingly strong, easily held onto the bit even when I was leaning way over the bike. The textured resin grip gave me plenty of control while turning the pilot screw in a tight spot.

Zoe Y. ★★★★★

I wasn't sure about a printed tool, but the embedded magnet holds bits firmly in place. Reaching my bike's carburetor pilot screw is now effortless. The design is just right.

Owen ★★★★★

The 3D printed resin feels surprisingly sturdy in hand, and the magnet really locks those hex bits in place. Used it to tweak my carburetor pilot screw and it was a breeze—way easier than fumbling with a regular driver.