TEKTON Flat End Hex L-Key Set with Holder, 28-Piece (0.050-3/8 in., 1.3-10 mm) | KLX91303

Includes 13-pc. flat end L-keys: 0.050, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8 in.; 15-pc. flat end L-keys: 1.3, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10 mm; 2-pc. L-key holders: red, black Tight Fit with Fasteners - In order to create a reliable, tight fit with fasteners, our L-keys are slightly larger in size with narrower tolerances than most competitors that follow the ASME standards Two Measures of Tolerance Control - We measure our hex key tolerances from point-to-point and side-to-side to ensure the highest standards of dimensional accuracy and consistency 8660 Steel - We make our L-keys with 8660 nickel chromium molybdenum steel that's heat-treated to 54-58 HRC to produce tools that are hard, but not brittle Corrosion-Resistant Finish - We coat all of our keys with a durable manganese phosphate finish that's resistant to corrosion Clear Markings - With the exception of the smallest sizes, Tekton L-key sizes are marked in two ways: with a high-visibility laser marking and a stamped marking