SeaSucker Basic Cleat SeaSucker 4.5in. But what if your cleats aren't exactly where you need them to be? What if you've got more lines than you know what to do with? Have no fear we've got you. Don't let the name inBasic Cleatin fool you - our cleats pack a punch. Seasucker's Basic Cleat provides support structure and convenience. Specifications for SeaSucker Basic Cleat SeaSucker: Manufacturer: SeaSucker Fabric/Material: HDPE Size: One Size Package Contents: SeaSucker Basic Cleat SeaSucker SeaSucker MB5724: Basic Cleat SeaSucker 4.5in