The Everett & Avery Co. ElevatedCore Rectangular Wood Modular Panel is a birch plywood climbing panel for indoor and outdoor home walls. This modular panel ships with 18 pre-installed 3/8-inch black-oxide T-nuts and mounts to studs, frames, or plywood backing. The ElevatedCore panel measures 47 x 23.5 inches, covers 7.67 square feet, and supports a maximum load of 270 lbs.