DRILL BT BLK-OX 3/16X3.5 *Brand Name: DeWalt *Drill Size: 3/16 in. *Overall Length: 3.5 in. *Material: Black Oxide *Product Type: Drill Bit *Number in Package: 1 pc *Packaging Type: Carded *Shank Type: Round Shank *Black oxide coated for greater wear resistance *Features a 135 degree split point for enhanced hole drilling performance, including quick startsand clean, burr *Parabolic flute design improves chip ejection in metal and wood drilling applications *Patented core diameter reduces breakage *Tapered web eliminates the frustration of bit spinning in the chuck