Monitoreringsprisma för vägar - GUL Spectra Adapter 30mm to prism with

Adapter 30mm to prism with 5/8 inch female

Optical sight for quick alignment to a waypoint

These nibs also fit the Lyra Dry pen

when the magnetic field from an iron object underground is stronger at sensor A than sensor B

The function was developed for the Stockholm Bypass where the tunnel is designed with solids

Monitoreringsprisma för vägar - GUL Spectra Adapter 30mm to prism withMonitoring prism for roads, asphalt surfaces, etc. YELLOW For monitoring roads, asphalt surfaces, etc. Can withstand being run over by regular vehicles The aluminum housing has an integrated glass prism (17 mm) Size: 100 x 100 x 23 mm (L x W x H) Glued or screwed to the substrate