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DURABLE - Drop-forged, Heat-treated S2 alloy steel bits, Reduce wear-outs. Crafted and Designed with superior materials for increased torque and unmatched hardness. Material S2 Steel. Drive System Internal Hex.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.