Jet Black Oxide Drill Bit Set hast 29 most common drill bit sizes contained in an indexed metal box.
Sizes 1/16" though 1/2" by 64ths.

• Self-centering

• Made from high speed steel - drills faster, lasts longer

• Fully ground flutes for consistent hole sizes and fast chip evacuation

• Black oxide finish prevents chips from welding to bits - extends bit life