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| Model | 29.1 NI |
| Product type | Concrete ground wire holder |
| Application | Lightning protection |
| Dimensions (mm) DiaØ/H | 105x70 |
| Color | |
| Material | Concrete / stainless steel |
| Description | Used to route ground wire on flat roofs. Fixed to the substrate by gluing (glue, glue, adhesive mass). Also available in screwed version. |