This is a part of the Geodimeter 500/600 traverse glass set to replace broken pieces
For the screw pawl click here.
For the main screw click here.
For the wing insert click here.
These are printed with a laser sintered plastic and should be sealed for best longevity. Basically they are porous by nature. I use Future floor shine by Pledge, however, any sealer for plastic will work. Colors are dyes on the surface and will fade in the sun, the wings should be painted to insure long sight visibility.