M-7 high speed steel for strength, heat resistance, and wear resistance when drilling in wood, metal or plastic; can be used with keyless chuck. Three-flatted shank design provides better chuck grip and reduces slippage. All Silver and Deming bits are 6" long and feature a 1/2" reduced shank that fits all 1/2" drills.

WARNING: This product is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.