Tekton 1/4, 3/8, 1/2 Inch Hex And Torx Bit Socket Set, Rails, 57 Pieces

Strong, Precise Steel Bits – Bits are made of S2 heat-treated steel and are machined to precise tolerances for an exact fit with fasteners Straight, Permanent Connection – The bits are pressed directly into the socket for a permanent connection that won't loosen over time or under stress Large, Stamped Markings – Markings are permanently impressed into the material by a roll-stamp die and are clearly visible because of their extra-deep outline