Material: Black Oxide. Drill Bit Diameter: 7/64 in. Dril Bit Length: 2.62 in. Number of Pieces: 2 pc. Features a 135 degree split point for enhanced hole drilling performance, including quick starts and clean, burr free holes. Parabolic flute design improves chip ejection in metal and wood drilling applications. Black oxide coated for greater wear resistance. Tapered web eliminates the frustration of bit spinning in the chuck. Patented core diameter reduces breakage.