1. Widely used: This is an urgent stop button for motor boats, cruise ships, and speed boats; 7tip design, compatible with 7key sets for different engines, ensuring safety. 2. DURABLE MATERIAL: Constructed with durable wax rope and PU material, the boat safety leash offers exceptional longevity. Featuring stainless steel curling on both ends, it is sturdy and resistant to breaking. 3. Easy Operation: The ignition system stops, and the boat slows down and halts when the button on the safety belt is pulled. Simply connect the corresponding button to the engine control box and attach the hook to the drive for effortless operation. 4. Waterproof Safety: The waterproof design of our boat safety lanyard button enhances onwater safety. The spring lead extends up to 1.4 meters, enabling easy use during emergencies. Enjoy peace of mind and stay safe with our product.