14343 Sine Wave - 0.25" Deep, 0.5" on Center GrayLastic™ Elastomeric Urethane - Up to 100 uses. Mold-bonded to 0.75" plywood. Add 1.125" to liner thickness. Max Depth: 0.25" On Center: 0.5" Peak Radius: 0.15625" Valley Radius: 0.o9375" Part Size: 48"W x 180"H Click here for cut-sheet