Irwin Speedbor 88708 1/2" Speedbor 2000 Extra-Long Flat Wood Boring Bit

Blue-Groove point and cutting edge for faster chip removal - 4x faster than standard spade bits 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 Fits all standard quick change chucks