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The Tekton 9-Piece Hex L-Key Set includes 11–19 mm hex L-keys and a 9-tool h... The Tekton 9-Piece Hex L-Key Set includes 11–19 mm hex L-keys and a 9-tool hex key rack. The L-keys are made from 6150 chromium vanadium steel that s heat-treated to 44–50 HRC and coated with a durable manganese phosphate finish that s resistant... more

The Tekton 6-Piece Hex L-Key Set includes 7/16–3/4 inch L-keys and a 6-tool ... The Tekton 6-Piece Hex L-Key Set includes 7/16–3/4 inch L-keys and a 6-tool hex key rack. The L-keys are made from 6150 chromium vanadium steel that s heat-treated to 44–50 HRC and coated with a durable manganese phosphate finish that s... more

Tekton L-Keys are made with 8660 nickel chromium molybdenum steel that s heat-... Tekton L-Keys are made with 8660 nickel chromium molybdenum steel that s heat-treated to HRC 54-58 to produce tools that are hard but not brittle. As a result the maximum torque of the L-keys consistently exceeds the ASME standards for minimum... more