marine rigging fastener is a must-have for outboard boat owners. Compatible With Yamaha outboard models from 2002 and newer, it securely attaches engine rigging components with its durable 1/4" NPT threaded adapter. Made of corrosion-resistant black material, this fastener can withstand exposure to saltwater and marine environments. It installs with a simple micro-clamp design for a tool-free connection. At only 0.25 inches in diameter, it provides a low-profile solution while still supporting the weight of your outboard motor. Whether replacing a worn fastener or upgrading your rigging setup, this part ensures your engine stays firmly in place ride after ride. Measurements are provided to confirm fitment, so check your specific outboard model before ordering. 68F-42753-00-00