• Chamfered edges are easier to insert and remove from recessed fasteners
• Heat treated chrome vanadium alloy steel sockets, and S2 steel bits for strength and durability
• Polished nickel chrome plated finish resists corrosion
• 3/8" Dr. driver bit socket sizes: 1/8, 3/16, 1/4, 5/16 in. Slotted; #0, #1, #2, #3 Phillips
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