The Bosch Die Grinder, No. DG300LPD, offers Service Minder carbon brushes, which provide greater durability and twice the motor life, according to the company. The Die Grinder features a strong, 4.8 amp motor, an easy on/easy off paddle switch and directed air flow, which diverts dust from components to extend life. The extended spindle makes the DG300LPD a versatile die grinder with great power.