Ryobi R18DDBL-0 (5133002437)

"The Milwaukee Red Helix Cobalt 7/16"" Drill Bit are engineered for extreme durability and longer life in hard metal applications. The Milwaukee Cobalt drill bits are designed with a Variable Helix th more→at includes an aggressive 35 degrees Helix Angle which ends at 15 degrees. The 135 degrees split point tip delivers a precision start and prevents walking for fast, accurate holes in hard metals, PVC and wood. The tapered drill bits feature a new enhanced tapered web that strengthens the bit's core to increase flute durability. The cobalt twist drill bits are ideal for tough applications, providing up to 15X life vs. black oxide brill bits."

Diablo's spade bit range provides one of the fastest, most effortless hole-drilling solutions on the market for fast, clean wood. The high-performance Speed-Tip design self-feeds for faster hole-makin more→g when compared to traditional spade bits.

IRWIN 15 pc Black Oxide Set includes an IRWIN Pro Set Case made of durable molded ABS resin, so it can hold up to anything the jobsite throws at it