Drill Bit Set, Thunderbolt, Black Oxide, Shank Type: 3-Flat, Point Type: Split Point, Includes: (2) 1/16" Thunderbolt Black Oxide Drill Bit, (1) 11/64" Thunderbolt Black Oxide Drill Bit, (1) 1/2" Thunderbolt Black Oxide Drill Bit, (1) 13/64" Thunderbolt Black Oxide Drill Bit, (2) 1/4" Thunderbolt Black Oxide Drill Bit, (1) 15/64" Thunderbolt Black Oxide Drill Bit, (2) 1/8" Thunderbolt Black Oxide Drill Bit, (2) 3/16" Thunderbolt Black Oxide Drill Bit, (1) 3/32" Thunderbolt Black Oxide Drill Bit, (1) 3/8" Thunderbolt Black Oxide Drill Bit, (1) 5/16" Thunderbolt Black Oxide Drill Bit, (1) 5/32" Thunderbolt Black Oxide Drill Bit, (2) 5/64" Thunderbolt Black Oxide Drill Bit, (1) 7/32" Thunderbolt Black Oxide Drill Bit, (1) 7/64" Thunderbolt Black Oxide Drill Bit & (1) 9/64" Thunderbolt Black Oxide Drill Bit
- Material: Black Oxide