ITEM: 5/16, 7/32 Diam Straight Shank, 71/2 Overall Length with 41/2 Twist, Solid Center Auger Bit IRWIN. MANUFACTURER: IRWIN. BRAND: Irwin. MANUFACTURER PART: 49905. 5/16, 7/32 Diam Straight Shank, 71/2 Overall Length with 41/2 Twist, Solid Center Auger Bit Screw Point, High Speed Steel, Bright Finish, Single Cutting Edge (MOQ1, Pkg Qty1)CATEGORIES: Maintenance, Repair and Operational (MRO) Supplies. Drilling & Drill Bits. Wood Drill Bits. Auger & Utility Drill Bits. N/A. TOTAL RECYCLED CONTENT: 10.00%. POSTCONSUMER RECYCLED CONTENT: 1.00%. KEYWORDS: IrwinDrilling & Drill BitsWood Drill BitsAuger & Utility Drill BitsN/A.