1.OPTIMAL CLEANING PERFORMANCE This climbing brush is specially designed for surfaces with sandstone and gravel and features soft bristles that ensure a firm grip and deliver excellent results without compromising the integrity of the rock type, wrinkles or pockets. 2.PORTABLE LIGHTWEIGHT This small and lightweight climbing brush features meticulous workmanship and ergonomic handle for comfortable, precise brushing. Take it anywhere and enjoy perfect grip control and careful cleaning with every climb, all thanks to its perfect workmanship. 3.INCREASED DURABILITY The climbing brush features soft boar bristles and wearresistant materials for improved grip strength. Made from natural beech wood, this brush good durability and ensures longlasting and effective brushing performance. 4.VERSATILE ROCK BRUSH The climbing brush has a 2 in 1 design that protects hand by allowing for easy callus removal and has a builtin file for added functionality.