Product details:

Centric conical tip guides bit through concrete & provides rounder holes. Full carbide head drills faster with less wear. Flute design runs cooler with fast dust removal. Wear mark assures accuracy of hole diameter. Includes 5/32" x 4", 3/16" x 6", 1/4" x 4", 3/8" x 6", one flat chisel & one point chisel in case.