Bosch Brush Set is designed for 1806E 6" angle grinder, 1706E 6" and 1706AE 6" mini grinder. Brush set contains 2 brushes with wire lead and helps to fix an intermittent motor. It is used for reducing electric braking and motor power. It includes worn brushes that can be worn down near the wire lead and may be cracked, pitted or burned.