17001 4" x 16" Slumpstone - Running bond block GrayLastic™Elastomeric Urethane - Up to 100 uses.Mold-bonded to 0.75" plywood. Add 1.125" to liner thickness. Max Depth: 1.1250"Block Size: 16"W. x 4"H. Part Size: 48"W. x 120"H. - Note configuration of panel Click here for cut-sheet