Overrail hook series - latches mount to deck. For small cruisers, runabouts, and sailboats. Shur-loc catch brackets (76000) allow for permanent or removable mounting Compact stowage - hooks and cushioned standoffs fold flat. Durable 1" (3cm) diameter anodized aluminum tubing. Comfortable molded white poly step overrail hook 13ö (33cm) high 4 step, L: 39ö (99cm), W: 13.5ö (34cm)