The product is 7/16" BLK Oxide Bit. Easy to use. The product is manufactured in China.
Reduced shank black oxide drill bits from DeWalt are ideal for drilling holes larger than 3/8-inch with a standard 3/8-inch drill. These bits can be used in general applications including drilling in non-ferrous metal, wood, and plastic.They have a 135 degree split point for quick start and no walk applications. The parabolic flute design improves chip ejection in metal and wood drilling applications. Typically, the larger sizes are used in metal.