FOR TECHNICAL AND SCHOOL USE.
It is made of highly transparent polystyrene with a surface hardness that guarantees resistance and durability over time. The items are a smoky gray color suitable for all uses. The graduations are hot-stamped with very clear and precise numbers. Most items come with a stain-resistant edge on the non-graduated sides. The items are packaged in a reusable hanging pouch to protect the product from scratches and breakage.