Drive Type : Phillips Drive Size : #2 Shank Type : Hex Shank Size : 1/4 In Material : S2 Steel Length : 6 In Suitable For : Power Drill Chuck And Chuck Adapter
Drive Type : Square Recess Drive Size : #1 Shank Type : Hex Shank Size : 1/4 In Material : High-Grade S2 Tool Steel Finish : Black Oxide Length : 2 In Suitable For : IRWIN Magnetic Screw-Hold Attachment