The Makita Paddle Sweep Drum is the perfect replacement part for the SW400MP Bristle Brush Couple Shaft Attachment (sold separately). The Paddle Sweep Drum is designed to remove pebbles, sand or leaves without damaging grass. It also clears away water or light snow from hard pavements. The 2 Paddle Sweeps on the SW400MP feature a wide sweeping surface of 23-1/4” for maximum productivity. 12 durable rubber paddles provide optimum performance. Ideal for construction waste and street maintenance.