| Invisible manhole cover conventional size comparison table | |||
| Base plate thickness | 3 mm | 4 mm | 5 mm |
| Length x Width x Height mm | 400 x 400 x 50 | 400 x 400 x 50 | 400 x 400 x 50 |
| 500 x 500 x 50 | 500 x 500 x 50 | 500 x 500 x 50 | |
| 600 x 600 x 60 | 600 x 600 x 60 | 600 x 600 x 60 | |
| 700 x 700 x 60 | 700 x 700 x 60 | 700 x 700 x 60 | |
| 500 x 500 x 80 | 500 x 500 x 80 | 500 x 500 x 80 | |
| 600 x 600 x 80 | 600 x 600 x 80 | 600 x 600 x 80 | |
| 700 x 700 x 80 | 700 x 700 x 80 | 700 x 700 x 80 | |
| 800 x 800 x 80 | 800 x 800 x 80 | 800 x 800 x 80 | |
| 1000 x 1000 x 80 | 1000 x 1000 x 80 | 1000 x 1000 x 80 | |
| 500 x 500 x 100 | 500 x 500 x 100 | 500 x 500 x 100 | |
| 600 x 600 x 100 | 600 x 600 x 100 | 600 x 600 x 100 | |
| 700 x 700 x 100 | 700 x 700 x 100 | 700 x 700 x 100 | |
| 800 x 800 x 100 | 800 x 800 x 100 | 800 x 800 x 100 | |
| 1000 x 1000 x 100 | 1000 x 1000 x 100 | 1000 x 1000 x 100 | |
| Customization is supported with good quantity | |||










