Drive Type : Lobular Drive Size : 3/8 In Shank Type : Hex Shank Length : 1/4 In Material : Steel Finish : Black Oxide Diameter : 9/16 In Length : 1-7/8 In
Drive Type : Square Recess Drive Size : #1 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