Bosch TI10 10 Pc Titanium Twist Drill Bit Assortment With Plastic Case 1/16-1/4

Designed for heavy duty drilling in metal, wood and plastic, this ten piece set features three flats to reduce bit walking or skating. 

And because they are coated with titanium they will have a life six times longer than your standard drill bit, 

so you will have them along at least as long as that old drill you use. Sizes range from 1/16 to 1/4. Includes a heavy duty storage case