The Large Miter Box set contains one aluminum miter box with rectangular profile and two spacers with screws (there is only one in the picture). The tool is intended for use with a Modelling Razor Saw (the saw itself is NOT incuded).
Large miter box allows you to do precise cuts in 30° (60°), 45° or 90° angles.
The Large Miter Box is manufactured by JLC - Libor Kopeček company (Czechia).