17938A Bridge Rail - Arch outline r= 42", 0.375" deep GrayLastic™Elastomeric Urethane - Up to 100 uses.Mold-bonded to 0.75" plywood. Add 1.125" to liner thickness. Max Depth: 0.375" Part Size: 66"W. x 23"H. Notes:0.25" x 0.25" 'V' groove, square outline, 0.375" deep
