Drive Type : Square Recess Drive Size : #3 Shank Type : Hex Shank Size : 1/4 In Material : High-Grade S2 Tool Steel Finish : Unfinished Length : 2 In Suitable For : Power Drill Chuck And Chuck Adapter
Drive Type : Square Recess, Torx Drive Size : #2, T25 Shank Type : Hex Shank Size : 1/4 In Material : High-Grade Steel Finish : Black Oxide Length : 2-3/8 In Suitable For : IRWIN Magnetic Screw-Hold Attachment