LATERN 6 Pieces Triangle Architect Scale Set, 2 Set + 4 Square

Sturdy material: the scale ruler and triangle ruler are all made of high-strength alloy, durable, lightweight and reliable Laser etched scale: Laser engraving technology on an alloy reduces abrasion caused by prolonged use, does not fade or smear and offers the guarantee of the service life of the scale Easy to read: The white-on-black design makes it easier to read each line and number considerably and ultimately prevents unnecessary eye strain Wide application: with reliable construction and precise performance, mathematical geometry tools are useful tools for architects, engineers, artists, designers, students, teachers and so on Package contents: a total of 6 pieces, 2 x 12 inch aluminium triangular architect scale, 2 x triangles (45° & 30° / 60°), 1 x straight ruler (15 cm), 1 x protractor, with protective case