tapa de la cubierta
| Article Nr. | Hole Spacing | Outer Dimensions | Height | Loading Capacity | Cover Lid Weight |
| mm | L1xL2 (mm) | H (mm) | kg | kg | |
| NR-DK650-20 | 20x20 | 630x449 | 12 | 80 | 2,5 |
| NR-DK650-12 | 12x12 | 631x450 | 12 | 90 | 2,55 |
| NR-DK650-06 | 6x6 | 631x450 | 12 | 90 | 3,27 |
| NR-DK608-12 | 12x12 | 590x390 | 12 | 80 | 2,17 |
| NR-DK608-06 | 6x6 | 590x390 | 12 | 80 | 2,91 |
| NR-DK521-12 | 12x12 | 503x303 | 12 | 70 | 1,85 |
| NR-DK521-06 | 6x6 | 503x303 | 12 | 70 | 2,28 |
| NR-DK521-04 | 4x4 | 503x303 | 12 | 70 | |
| NR-DK471-12 | 12x12 | 453x303 | 12 | 60 | 1,41 |
| NR-DK471-06 | 6x6 | 453x303 | 12 | 60 | 2,03 |
| NR-DK471-04 | 4x4 | 453x303 | 12 | 60 | |
| NR-DK408-12 | 12x12 | 390x290 | 12 | 60 | 1,12 |
| NR-DK408-06 | 6x6 | 390x290 | 12 | 60 | 1,42 |
| NR-DK371-12 | 12 | 353x203 | 12 | 50 | 0,82 |
| NR-DK371-06 | 6 | 353x203 | 12 | 50 | 1,2 |
| NR-DK660-20-M | 20x20 | 639x459 | 12 | 80 | 3 |
| NR-DK660-12-M | 12x12 | 640x460 | 12 | 90 | 3,14 |
| NR-DK660-06-M | 6x6 | 640x460 | 12 | 90 | 3,85 |
| NR-DK600-20-M | 20x20 | 578x378 | 12 | 80 | 2,28 |
| NR-DK600-12-M | 12x12 | 579x379 | 12 | 90 | 2,42 |
| NR-DK600-06-M | 6x6 | 579x379 | 12 | 90 | 3 |