CIRCLE this model of rock climbing fingerboard is a double-sided multifunctional rock climbing overhang. A variety of grip possibilities (10 mm, 15 mm, 20 mm, 25 mm, 30 mm, single finger, double finger) are available, while ergonomic grooves with rounded edges (R3) are designed for warm-up and suspension. The surface is finely polished and feels soft without burrs. Sold in pairs, no drill mount, light weight up to about 300g each, equipped with auxiliary lanyard, mount it in a place that can support your weight, suitable for any level: beginners can gradually transition from 30MM to 10MM grip, meeting the needs of climbers at different stages, providing buyers with a comprehensive exercise option. Long-term training reduces the risk of injury.