For the sailors out there looking to clean up their cockpit and manage lines like a pro, this Schaefer Two Sheave Deck Organizer is a piece of hardware you can count on. Schaefer has been making legendary-strong blocks in the USA since 1966, and this organizer is no exception. It's built tough with a 316 stainless steel top plate and base, and the sheaves are made from UV-protected Delrin for smooth, long-lasting performance. With a Safe Working Load of 3000lbs (1365kg), it's more than capable of handling the loads on most cruising and racing boats. Its low-profile design helps keep your deck clear and organizes your lines efficiently, reducing clutter and friction. The center-to-center fastener spacing is 2-3/4 inches (70mm), making installation straightforward. This is the kind of heavy-duty, reliable gear that makes sailing safer and more enjoyable. If you're upgrading your boat's running rigging or just need to replace an old, worn-out organizer, investing in this Schaefer piece means you're getting quality that will last for countless nautical miles.