Set includes: 1/16" to 1/2" by 64ths drills. HSS drill bit. High speed drills feature premium high speed steel and duotone finish for fast chip removal in wood, metal and plastic. no center punch needed: Century quick-cut points are self-centering and penetrate faster with less pressure...will not "walk" or "wander" at the staring surface. Reduced 3/8" shank fits all 3/8" or larger chucks.

Product Features:

• HSS drill bits, for use in wood, metal and plastic.
• Designed for general purpose use in wood plastic plaster and soft metal
• Premium high speed steel and duotone finish for fast chip removal
• High Speed Steel drill bits offer a 2 times life rating when compared to standard 135 degree point drills
• Century 135 degree Quick Cut Points are self-centering and penetrate faster with less pressure
• 13 piece set includes 1-16-Inch to 1/4-Inch by 64ths