A steel brake line flare fitting PLUG for use on brake master cylinders that have more brake pipe outlets than needed.
Specifically, for use with:
3-Outlet X1/9 master cylinder when installed to Lancia Scorpion and Montecarlo cars.
3-Outlet 850 master cylinders when installed to 850 Sedan or Siata cars
M10x1.25 coarse thread with 10mm head and ISO bubble flare bottom.
Accurately plugs the unused port on master cylinders.