• Drill bits are made from #4241 high speed steel (HSS) and coated with Titanium-nitride to reduce heat, keeping the 118-degree split cutting edge sharper, longer
• 21 different bit sizes from 1/16 to 3/8 in. included: 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, 17/64, 9/32, 19/64, 5/16, 21/64, 11/32, 23/64, 3/8 in.
• Included is a hang-able, clear top indexed storage box to help you find the right bit quickly
• Added are 41 extra bits of the 4 most popular sizes: (18) 1/16, (14) 1/8, (6) 3/16, (3) 1/4 in. which are packaged in 4 separate reusable storage tubes
(California Prop 65)