18001 Columbus Fin (Flute) - 1.25" Deep, 2" on Center GrayLastic™Elastomeric Urethane - Up to 100 uses.Mold-bonded to 0.75" plywood. Add 1.125" to liner thickness. Max Depth: 1.250"On Center: 2.0"Peak: 0.75"Valley: 0.75"Draft: 0.25" Part Size: 48"W. x 192"L. Click here for cut-sheet 18001 Columbus Fin, KoKo Sing Wall