18008 Chestnut Grid - 2.5" smooth border on perimeter of pattern GrayLastic™Elastomeric Urethane - Up to 100 uses.Mold-bonded to 0.75" plywood. Add 1.125" to liner thickness. Max Depth: 1.000"On Center: 2.5"Peak: 0.875"Valley: 0.875"Draft: 0.375" Part Size: 48" x 48" Click here for cut-sheet
