Specifications: Grip Type SDS max Overall length mm 400 Chisel blade mm 25 Lasts up to 3.5 times longer than a standard Bosch SDS max flat chisel Long-term concrete chiseling Exceptional durability is a key component of Bosch Carbide Technology Self-sharpening blade for consistent performance over a long period of time Ribbed design effectively breaks down material RTec element provides a higher material removal rate Fits all rotary hammers with SDS max chuck **