Photo 1 of 12-Pack Square Drive Bits- Premium S2 Alloy Steel Square Bit Set Magnetic Heads- Robertson Square Drill Bit Set (Long 2.55"& Hex Shank) Square Head Screwdriver Sizes #0, 1, 2, 3, and #4

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Photo 1 of 12-Pack Square Drive Bits- Premium S2 Alloy Steel Square Bit Set Magnetic Heads- Robertson Square Drill Bit Set (Long 2.55"& Hex Shank) Square Head Screwdriver Sizes #0, 1, 2, 3, and #4 Photo 2 of 12-Pack Square Drive Bits- Premium S2 Alloy Steel Square Bit Set Magnetic Heads- Robertson Square Drill Bit Set (Long 2.55"& Hex Shank) Square Head Screwdriver Sizes #0, 1, 2, 3, and #4