Lasts up to 1.5x longer than a Bosch SDS plus-1 Drill Bit Highly efficient for interior construction workers, electricians, plumbers, and HVAC installers: Long Life Fits all SDS plus rotary hammer drills For efficient drilling in concrete and reinforced concrete, eg during installation work, including electrical installation, or other internal fittings Scope of delivery: Bosch PRO SDS plus-5X Hammer Drill Bit, 22 x 400 x 450 mm