Enhance your kayak or boat with these versatile M6 copper nuts featuring a durable nylon housing. This set of 6 nutserts is specifically designed for marine applications, perfect for mounting accessories on trail rails and other surfaces. The black nylon casing provides protection against corrosion while the brass insert ensures secure threading. These hardware pieces are ideal for DIY boat modifications, kayak customization, and general marine mounting needs. The compact rectangular design allows for easy installation in tight spaces, while the threaded insert provides reliable hold for M6 screws. Whether you're upgrading your vessel's accessories or replacing existing hardware, these nuts offer practical functionality for maritime applications.