4 mm Security Bit Set with Rail, 12-Piece (Square #00-#2, Spanner 2.0-2.6 mm, Clutch 3/32-1/8 in., Tri-Wing TW0-TW1, Line Head LH-2 - LH-3) BoltsandNuts.com Wrench Size:1-1/4"

Wrench Size:1-1/4"

Depth:14-1/4" Deep

Material: Alloy

The S2 steel bit is heat-treated to 57–63 HRC to resist shocks and maintain geometry under stress

and probe products is made entirely in Michigan with only USA-sourced materials

4 mm Security Bit Set with Rail, 12-Piece (Square #00-#2, Spanner 2.0-2.6 mm, Clutch 3/32-1/8 in., Tri-Wing TW0-TW1, Line Head LH-2 - LH-3) BoltsandNuts.com Wrench Size:1-1/4"Precise Tip Geometry Our 4 mm bits are made with tight tolerances for a secure fit in small screws, reducing slip and wearcrucial for high value, sensitive electronics Corrosion Resistant The bits are made from hardened steel and finished with a zinc phosphate conversion coating that provides lasting corrosion resistance without altering dimensions or flaking, unlike chrome finishes Clear Markings The tip size and Tekton "T" are clearly stamped onto