2' x 4' Slatgrid Panel. The black slatgrid panel is 3" x 6" on center and 3/4" x 6" on center allowing for both slatwall or gridwall hardware to be used! The slatgrid panels outside edges are reinforced with double wire for rigidity. Our Standard Slatgrid Panel is constructed entirely of 0.2" diameter wire, whereas our Slimline Slatgrid Panel has 0.2" diameter horizontal wires and 0.157" vertical wires. In stock. Note: Slimline Aux Whs Case of 3 - #3107SBZ is temporary unavailable. Please call (800) 437-5377 for more information or to preorder.