Gentle on sensitive surfaces This climbing brush is designed for rock types such as gravel and sandstone and provides precise bristle quality for delicate surfaces. With a firm grip and gentle touch, it preserves the integrity of crevices and pockets without altering the rock's composition. Comfortable to use Ergonomic handle with careful workmanship lets the brush sit comfortably in the hand and improves grip on all surfaces. Its small size and lightweight design make it easy to carry and comfortable on extended adventures. Durable use Made of natural beech and wear-resistant materials for long-lasting use. Soft boar bristles ensure effective cleaning, while the handle provides steady gripping power for the best climbing experience. Versatile rock brush 2-in-1 design enables easy callus removal and includes an integrated file for added functionality. Use cases - After climbing gravel or sandstone routes, brush dirt from delicate surfaces without changing rock texture. - During outdoor sessions or indoor training, use the 2-in-1 to remove hand calluses and use the integrated file to address minor rough spots for better grip. - Carry on trips due to compact size and light weight to maintain grip and hand health across routes.