Milwaukee 3-PC Carbide-Tipped Hammer Drill Bits are ideal for drilling in concrete, brick, and block application. They feature sharpened, precision ground tips that offer faster starts and less walking. In addition, they have a wide flute design that remove dust faster which reduces heat and delivers more holes per charge. Includes: (1) 5/32" x 4" x 6" SHOCKWAVE™ Carbide Hammer Drill Bit (48-20-9001) (1) 3/16" x 4" x 6" SHOCKWAVE™ Carbide Hammer Drill Bit (48-20-9006) (1) 1/4" x 4" x 6" SHOCKWAVE™ Carbide Hammer Drill Bit (48-20-9011) Style Number: 48-20-9050