• S2 alloy steel bits for strength and durability
• For use with pin type tamper resistant hex fasteners
• 1/4” and 3/8” drive bit holders
• 11 bits, 1/16, 3/32, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8 and 7/16"
• Handy magnetic holder sticks to most metal surfaces
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