- Hand-friendly design: The climbing board is made from high-quality tree trunks, with smooth edges and no burrs to protect your hands. Its environmentally friendly construction ensures durability and safety during climbing. - Realistic training feel: By grinding and polishing to create intentional bumps, the board offers an authentic climbing feel. The uneven surface provides a challenge without hindering training, increasing sense of achievement. - 16 grip hole sets for versatile training: Features 16 grip hole sets in different shapes and sizes. With multiple grip positions and scaling options, you can perform a complete gripping routine to improve finger strength and endurance. - Practical use scenarios: Ideal for dead hangs, curved-arm hangs and offset hangs; climbing, bouldering, gymnastics and rehab. Helps increase grip strength and endurance for climbers at any skill level.