Irwin Speedbor 6-Piece Spade Bit Set Masonry Drill Bit Does not include case

Does not include case

36 grit type 29

Dust Blower Clears Debris From Line For Cut

and footprint as the traditional round but slightly taller

3X Cutting edges extends bit life compared to standard IRWIN self-feed bits

Irwin Speedbor 6-Piece Spade Bit Set Masonry Drill Bit Does not include caseBlue Groove point and cutting edge for faster chip removal. Double cutting spurs scribe the outside of the hole reducing breakout. 10% larger shank for added durability. Grooved hex shank prevents slipping in drill chuck or bit extension. Bit identification is simple with easy to read size markings. Standard length. Includes sizes: 3 8', 1 2', 5 8', 3 4', 7 8', and 1'.