Peg Board Bombs/Balls 4.5" (Set Of 2) | Climbing Holds | Red Holds only. Plywood panel is not included. Safe, open-hand design so tendons lay ergonomically. Spherical shape increases forearm and grip strength, boosting endurance. Switch from pull-up, to chin-up, to biceps-pull without regrouping. The classic peg board idea taken to the next level. Comes in Red