presný plochý uholník od slovenskej firmy K-MET (Kinex Measuring)
trieda presnosti 2 / 1 / 0
vyrobené v súlade s normou DIN 875
rozmery jednotlivých uholníkov:
| dĺžka ramien | šírka ramien | hrúbka ramien |
| 75 x 50 mm | 17 mm | 6 mm |
| 100 x 70 mm | 21 mm | 6 mm |
| 150 x 100 mm | 26 mm | 8 mm |
| 200 x 130 mm | 26 mm | 8 mm |
| 300 x 200 mm | 31 mm | 8 mm |
| 400 x 250 mm | 32 mm | 8 mm |
| 500 x 250 / 330 mm | 40 mm | 10 mm |
| 600 x 300 / 400 mm | 50 mm | 10 mm |
| 750 x 375 / 500 mm | 50 mm | 10 mm |
| 1000 x 500 mm | 50 mm | 10 mm |
| 1000 x 660 mm | 50 / 60 mm | 10 / 12 mm |
| 1500 x 750 mm | 60 mm | 12 mm |
| 2000 x 1000 mm | 60 mm | 12 mm |
| 2500 x 1250 mm | 60 mm | 12 mm |