Makita 711367-A-A 13 Piece 1/4" Titanium Nitride Coated Bit KitIndustrial quality high speed steel Tempered three times for strength and durability Titanium Nitride Coating reduces heat build up Lasts up to 6 times longer than conventional uncoated bits Self centering 135° split point design prevents "walking" Gives more holes per charge in cordless drills Precision ground flutes for fast, efficient chip removal No center punch needed Outstanding performance in all metal, wood and plastic drilling applicationsPlastic Storage Case One of each of the following: 1/16", 5/64", 3/32", 7/64" 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4"Warning: Drill bits and extractors can shatter during use. Always wear safety glasses or eye shields in vicinity of use. Tip #1: Use slower speeds when driling larger holes or hard metals Tip #2: For high speed drilling in metal, lubricate the bit with a lightweight oil