Hey RC enthusiasts and model airplane builders, this outboard motor mount is exactly what you need for those custom builds where standard mounts just won't cut it. Made from lightweight but seriously durable aluminum alloy, this thing is built to last through countless flights without adding unnecessary weight to your aircraft. You get two size options to choose from - the large type adjusts from about 50-110mm (2-4.3 inches) and fits motors like 2814, 3536, 4250, 4258 with 25mm or 30mm mounting holes. The small type adjusts from 35-72mm (1.4-2.8 inches) and works with 2212, 2216, 2217, 2814, 2627, 2830 motors with 16mm or 19mm hole spacing. The scientific design isn't just for looks - it provides stable, reliable performance that keeps your motor securely in place during those high-speed maneuvers. The removable installation makes maintenance and adjustments a breeze, and the compact size means it's easy to carry to the flying field without taking up your whole toolbox. Each set comes with 3 pieces plus an accessory bag, giving you everything you need for multiple projects or backups. Whether you're building a new model from scratch or upgrading an existing one, this motor mount delivers the precision and reliability that serious hobbyists demand. The manufacturer stands behind it too with a 180-day return policy, so you can buy with confidence knowing you're getting a quality product that actually performs as advertised.