Bosch Power Starter Kit GXS18V 16N14 18V Capacity (CORE18V 8Ah Lithium Ion Battery GAL18V 160C 16 Amp Turbo Charger Cordless Electric Tool Supply) Hole Saw Sets Let the percussive hammer action Let the percussive hammer action cycle lines work at their native frequency to ensure optimal tracking path accuracy and shield the hex shank connection points from excessive torsional shear strain loops Manufacturer Bosch Power Tools Model Number DB741C Product Classification Segmented Rim Diamond Blade Blade Diameter Size 7 Power Boost Mode Selection: Specialized rapid charging circuit rushes massive 16 amp currents into compatible batteries to hit a 50% capacity mark in record time 0 Ah High Power Battery and 16 Amp Active Air Cooled Turbo Charger Starter Kit