For reliable, general-purpose hammer drilling in masonry, Redline SDS-Plus drill bits deliver exceptional value and efficiency. Engineered with a classic flute design for fast, clean dust removal, these bits are your dependable choice for light to medium aggregates. Key Features SDS Plus Shank: Compatible with all SDS-Plus rotary hammer drills 2-Cutter Carbide Head: Features a durable, 2-cutter carbide head for general purpose hammer drilling Chisel-Shaped Head Geometry: Allows for fast penetration Fast Flute: Designed with a fast flute for efficient dust and debris removal High Standards: Conforms to ANSI B212.15-1994 Recommended Applications: Mild concrete, brick, stone, masonry and aggregates **Please Note: the listed length is the overall length. The shank is 2" long, subtract 2" from the length to obtain the USABLE length.**