MerRIND^® Recreational Watercraft 4T, SAE 10W-40 , It is an advanced synthetic blend two stroke engine oil. This product is preferably international high standard base oil with imported compound additives, through advanced technology to blend, according to the long-term exposure of outboard engine in the water surface, especially the characteristics of salt seawater, especially the addition of high-quality anti-rust additives, low phosphorus, low exhaust emissions, effectively reduce environmental pollution. It is a special oil for four-stroke outboard engines with excellent performance.