Mercury - Cable Tie Engine & Accessory Fastener 11.75 Inches 850181. Overview. Anyone who's worked around boats knows that the smallest parts often make the biggest difference. The Mercury 850181 Cable Tie might seem simple, but when you're elbow-deep in wiring or tightening things up before launch, you'll appreciate just how dependable it is. Built with the same precision and durability you expect from every Mercury Marine part, this 11.75-inch tie holds fast, stays tight, and resists the eleme