Speedbor 1877240 Irwin Tools Max Wood Drilling Bits， 4-Inch， 5-Piece<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Three cutting spurs for faster， cleaner holes， less breakout and extended drilling life</li><li>Full screw-point tip allows bit to self-feed for ease of drilling</li><li>Shorter overall length for drilling in tight spaces. Ideal for holes up to 2" deep</li><li>1/4" quick-change shank reduces slipping in standard chucks and is compatible with all 1/4" quick-change chucks， including impact drills</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51T5Pr0%2BKHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Jvvypl21L.jpg" noproxy>