Return Print Email Item Sales Info Part Number: DW1691 /Vendor ID Number: 1152811 /Custom: DEWALT Drill Bit, Ship Auger, 1-3/8 Inch X 17 Inch Ship Auger Bit Dewalt DW1691 1-3/8in Lg Pwr Ship Auger 17 Inch Long Auger Specific Dimensions: This particular model (DW1691) has a bit size of 1-3/8 inches and an overall length of 17 inches. Shank Configuration: Features a 7/16 inch Hex Quick Change shank diameter for convenient attachment Dual cutting edge for maximum durability in nails Task T30138 18-Inch Ship Auger Bit, 1-3/8-Inch Diameter with 1/2-Inch Shank - Power Drill 7/16-inch ball groove shank allows for quick bit changes