Uroboros glass FRIT. System 96. Sprinkle on your glass
projects to create or enhance the colors. Use with molds to create
one-of-a-kind jewelry and decorative items. We have FRIT
molds here
The F number after the color number (F2 or F3) indicates
the grain size of the frit. F2 is fine, similar in size to beach
sand. F3 is medium, similar in size to pretzel/rock salt.