This product is made of aluminium alloy & processed with forging technics.
The surface has been under oxidation and sand blasting treatment which has made it solid and durable.
When making the drawing and modelling, the special proporation of the scale (1/144, 1/100, 1/72, 1/48, 1/35, 1/24) has made it more convenient for the users to do sketching and modelling.