This four piece power brush kit contains an Original Drillbrush Power Scrubber in Stiff bristle Red and Black, a 2 In. detail brush, and a 4 In. and 5 In. flat red aggressive scrub brushes. The 2 In. brush is perfect for tight areas and corners. The 4 In. and 5 In. brush are for larger surfaces but are still easily maneuvered around contours. Stainless steel shaft fits in most cordless drills (drill not included). Durable construction, not available in retail stores. We also carry the largest line of drill powered brushes available for many applications. Perfect for lawn furniture, planters, picnic table, bench seats, swings, and outdoor woodwork.