Manufacturer: Rumold.TECHNO The A4 is built very sturdy and durable accordingly. Extras- Parallel straightedge with Doppelarretierung + Fixiertaste at the end of the straightedge- Parking for precise automatic locking and unlocking of the straightedge- 4-scale- Opposing protractor and parallel lines- Screened on the guide rail for supporting characters, leading and hatching with techno accessories- All 4 angles, as well as the characters head TECHNO run precisely into the two slots of the parallel straightedge.- Highly recommended is the compact and very accurate TECHNO characters head, which applies to the A4 and A3 drive not only clean angles, but can be used simultaneously as Schraffurlineal. He is fixed on the straightedge.- This perspective serves as a corner-drawing template for isometric perspectives- The techno-metal triangles and electric serve as a technical drawing template with many specific important symbols- Combi-angle for drawing regular polygons. Code: 352010