3/4" SDS-plus Bit with 12" Long and 2 Cutter Heads Incorporating the industry standard shank for carbide drilling bits, Milwaukee's SDS bits have carbide vacuum brazed to heat treated steel shanks. The sharpened angle of the carbide creates two cutting edges. The flute of the bit is designed for fast removal of the concrete dust from the hole, aiding in more efficient drilling of small holes. Features: 12" Long 3/4" Diameter 2 Cutter Head 10" Drilling Depth Since its founding in 1924, Milwaukee has focused on a single vision: To produce the best heavy-duty electric power tools and accessories available to the professional user. Today, the Milwaukee name stands for the highest quality, durable and reliable professional tools money can buy.