Mercury - Console Mount Single Control, No Trim, Chrome Mechanical Remote Control 8M4507540. Overview. This control is about as simple as it gets, and that's the whole point. It's made for boats that don't run power trim and just need a solid, mechanical lever at the console. The chrome handle has some heft to it, the kind that feels right when you push it forward or pull it back. With the neutral lock built in, you're not worrying about bumping it into gear while starting up or idling around..