29 Pc Cobalt Drill Bit Set M42 HSS 29pc USA Drills Lifetime Warranty Made in USA<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Premium Solid Cobalt M42 Super High Speed Steel</li><li>1/16" to 1/2" in 1/64th Increments (Does not Skip any Sizes)</li><li>High Heat Treated Hardness 68-70 HRC (Rockwell Hardness Scale)</li><li>135 Degree Split Point Prevents "Walking"</li><li>Tri-Flat Shank Prevents "Spinning" in Chuck</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51aS2C7PmdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51-wNzl93vL.jpg" noproxy>