Slatwall Easy Panel, 24" x 48", 3" oc (on center) with 2 half grooves for unlimited stacking, 7 full grooves plus a half groove at the top and bottom of each panel. Allows you to build your own custom area for organizing any room of your house or garage. These panels can be stacked as high as your space requires. Made with 100% recycled wood fibers, Anchor Core tests 50% stronger than standard MDF (Medium-density fibreboard). Customize for closets, laundry room, kid's rooms, home office, pantry, and garage.