[TITANIUM COATING]: Reduces heat buildup for longer life, Lasts X 6 more than conventional bits.

[WIDE APPLICATION]: Ideal for drilling in metal, wood, fiberglass, and plastics, Not for use in Concrete or Masonry.

[WELL ORGANIZED]: All sizes are indexed on a tray to keep all components organized, with a sponge cushion between the upper and lower halves to avoid bits straggling and mixing.

[NOTE]: Titanium Drills include commonly used bits for a range of metal and wood-drilling applications. No-spin shanks help to prevent bits from slipping, and a tapered web delivery helps to increase durability to helps to reduce breakage.

[FULL-SIZE KIT]: 230 Pcs Kits includes
1 * 1/2",
1 * 3/8",
2 * 23/64",
2 * 21/64",
3 * 5/16",
2 * 19/64",
8 * 9/32",
12 * 1/4",
8 * 15/64",
10 * 7/32",
12 * 3/16",
10 * 11/64",
10 * 5/32",
20 * 9/64",
20 * 1/8",
27 * 3/32",
27 * 5/64",
27 * 1/16",
28 * 3/64".