specifications: Use on plastic， metal， and wood
All drill bits mounted on 1/4" hex shank
Sizes: 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"
Package Included:
13-pcs Titanium Coated High Speed Drill Bit Set
