Key benefit: Provides a simple, durable way to secure and protect ropes, fences and vessels during mooring and port operations, reducing the risk of chafing and collision damage. Sizes and compatibility: Available in two sizes (32 mm and 25 mm) to fit a range of ropes and fence fittings on different ship types and dock installations. Secure, fast rope control: Diagonal side grooves on both faces allow rapid rope positioning and positive locking without complex hardware, so lines stay where you set them. Easy installation and removal: Hook-in design enables quick attachment and detachment for fast setup, adjustments, or seasonal removal. Durable material and reliable performance: Made from hard ABS plastic for stable, long-lasting performance in routine maritime use; resistant to normal handling and environmental exposure. Typical applications Maritime navigation and mooring: Secure mooring lines and prevent wear where lines pass over rails or stanchions. Docking and harbor operations: Protect ships and dock fittings by keeping ropes locked and reducing sudden shifts that can cause collisions. Fencing and safety lines: Use on perimeter fences or guide ropes aboard various ship types to maintain tidy, controlled line routing. What it delivers Simple, dependable rope control in two convenient sizes Quick, tool-free installation and removal Durable ABS construction for regular maritime and dock use