14650 Slattery Fluted Rib - 2" Deep, 9.125" on Center scallop pattern GrayLastic™Elastomeric Urethane - Up to 100 uses.Mold-bonded to 0.75" plywood. Add 1.125" to liner thickness. Max Depth: 2.000"On Center: 9.125"Peak: 5.2" radiusValley: 1" radius Part Size: 73"W. x 48"H. Click here for cut-sheet