Drill Chuck Adapter White Usa 1 2 Chuck With 7 16 Shank Adapter | Colombia 1/2 To 3/8 Impact Adapter 3/8 Chuck With 7/16 Hex Shank Adapter SHJAC1412 - First Industrial... These glass retainer clips are made of plastic and the screws are made of metal which is durable and sturdy, not easy to break and lightweight for you to use 1/4-20 Left hand cap screw to prevent chuck reversal Heavy-duty 7/16 hex shank Made in U.S.A. Drill Chuck Sizes
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