21-Piece Allen Key Drill Bit Set, S2 Alloy Steel 50mm Impact Hex Drill Bit Set,

21-Piece Allen Key Drill Bit Set, S2 Alloy Steel 50mm Impact Hex Drill Bit Set, 1/4 Hex-Shank 2" Impact Allen Key Bits Set with 6omm Bit Holders. Premium Materials: Our impact torx bits is made of industrial grade S2 Alloy Steel, which is strong and durable, and has a black phosphate coating for corrosion resistance.

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