• S2 alloy steel bits for strength and durability
• For use with pin type tamper resistant 5-Lobe fasteners
• 1/4” and 3/8” drive bit holders
• 11 bits, TP8, 10, 15, 20, 25, 27, 30, 40, 45, 50 and TP55
• Handy magnetic holder sticks to most metal surfaces
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