RUPP Marine Custom Halyard Line Stop - Pair 2 Pack. More durable then cork. Center hole accepts either mono-filament or nylon halyard lines up to 1/8" in diameter. Specifications for RUPP Marine Custom Halyard Line Stop: Manufacturer: RUPP Marine Fabric/Material: Nylon Size: One Size Color: Black Quantity: 2 1 Features of RUPP Marine Custom Halyard Line Stop Construction: Nylon Finish: Black Package Contents: RUPP Marine Custom Halyard Line Stop RUPP Marine 03-1108-2PK: Custom Halyard Line Stop - Pair 2 Pack