Attwood recommends using only stainless steel fasteners for stainless steel hardware.
The cleat stays up when pulled up. Friction springs hold it in place and reduce rattling
When lowered, cleat is only 1/2" above deck
Beautiful, strong and durable each stanchion is a 7/8" rod of solid #316 stainless steel
Backed by a Lifetime Warranty against corrosion-resistance
Note: Installation is simple and quick just drill twice with a 7/8" hole saw. Drainage receptacles (included) capture moisture and send it to the bilge via pitot tubing (not included).