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If you've ever stripped a screw head on a Japanese motorcycle or car because your Phillips bit just didn't fit right, you know the pain.
That's where these JIS impact bits come in.
They're made to the Japanese Industrial Standard JIS B4633, so they actually match the cross-slot angle on fasteners from Honda, Yamaha, Suzuki, and Kawasaki.
No cam-out, no rounded heads.

This set gives you three JIS cross bits – sizes #1, #2, and #3 – plus one slotted bit.
They're 36mm long with a 5/16" hex shank, so they fit most manual and electric impact drivers from brands like TEKTON, Capri Tools, and CRAFTSMAN.
The S2 alloy steel construction is heat-treated for toughness, and they've got a black phosphate coating that resists rust way better than bare metal.

These things are built to take a beating.



Solid set that actually solves the JIS/Phillips mismatch problem.
If you work on Japanese machines, these are a must-have.

4.5 out of 5