Furuno GP1871F 7" GPS/Chartplotter/Fishfinder 50/200, 600W, 1kW, Single Channel & CHIRP Subwoofers If these trim tabs don't

If these trim tabs don't provide you with an outstanding performance increase

all-in-one motor/impeller unit with stainless steel (SS2343) shaft

Will collapse and not break if accidentally hit

Shaft Diameter:2-1/2"

Ideal for both upwind and downwind reference

Furuno GP1871F 7" GPS/Chartplotter/Fishfinder 50/200, 600W, 1kW, Single Channel & CHIRP Subwoofers If these trim tabs don'tGP1871F 7" GPS Chartplotter Fishfinder 50 200, 600W, 1kW, Single Channel & CHIRP Powerful technology in a compact 7" Chartplotter with a built in CHIRP Fishfinder! Multi Touch Interface Convenient and intuitive slide out menus The GP 1871F smart interface, inherited from the NavNet TZtouch2, features slide out menus containing all the tools and data you need to be in total control. Display modes customization Customize your display modes and create