New-Old Stock from a kayak pro shop hoard. Expect some some distressed packaging. Best used as replacement parts, or as an upgrade, for Walden brand kayaks. Mounting Holes are 17 5/8 inches on center. This foot brace system adjusts with a strap made of 1 inch webbing strap products (about 5-6 feet per side). The strap pulls against a 3/16 inch dia. bungee cord tension line (about 2 feet long). This set can be used as Rudder Foot Controls for the Walden Vista by adding Rudder Cable and Crimps.