This is the Park Tool BCB-4.2 Brush Set. A clean bike is a happy bike! The BCB-4.2 is four-piece brush set designed specifically to clean bicycles. Ergonomically designed and featuring dual density, sure grip handles. Includes: (1) GSC-1 Gear Clean Brush (1) Tapered Detail Brush (1) Frame Cleaning Sponge/Bristle Brush (1) Soft Bristle Soaping Brush