There are two kinds of triangle rulers made in our company,angle of 90,45,45degree and 90,30,60degree. Thickness:8mm

Length of 90,30,60degree:28.5/53/60mm

Length of 90,45,45 degree:36.2/36.2/51.5mm

Quality of wood is excellent.

Price is very competitive.

laboratory mathematic equipment, physic, chemistry, biology, ruler, chemistry, glassware, wooden triangle rulers