Speedbor 1891777 Irwin Tools Blue-Groove Spade Bits， 5-Piece， Slim Case<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Blue-Groove point and cutting edge remove chips 4x faster than standard spade bits for cleaner holes and less binding</li><li>Dual-cutting spurs scribe the outside of the hole reducing breakout. 10% larger shank for added durability</li><li>Shorter bit length gets into confined spaces (between studs) where standard lengths will not fit</li><li>Grooved hex shank is compatible with all 1/4-inch quick-change chucks， including impact drills and reduces slipping in standard chucks</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41c%2Bp66HfvL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51nJ1ELoiUL.jpg" noproxy>