• 25 Piece titanium-nitride coated drill bit set is made with upgraded 4341 high-speed steel to extend sharpness and durability
• Titanium nitride coating improves performance, heat dissipation and stays sharper up to six times longer than non-treated drill bits
• Size range from 1/16" to 3/8" by 64ths: 1/16(2), 5/64(2), 3/32(2), 7/64(2), 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4, 17/64, 9/32, 19/64, 5/16, 21/64, 11/32, 23/64, and 3/8"
• All bits fit in our 2 sided flip case with crystal clear lids so you can easily find the needed bit
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