3M marker ball TEL (up to 1.5m) EMS 1401-XR

3M marker ball TEL (up to 1.5m) EMS 1401-XR - ensures easy marking of underground telephone lines at a depth of up to 1.5 meters. Markers are equipped with a unique self-leveling mechanism, thanks to which the marker is always properly oriented relative to the surface, enabling precise location. Passive marker balls ensure precise identification of underground telephone lines. It reduces the risk of accidental excavation of other buried installations. All markers operate without the need for external power supply. Their waterproof polyethylene covers are resistant to mineral substances, chemicals and extreme temperatures, which often occur underground.

Features:
• Adapted to be located at a depth of 150 cm
• The correct horizontal position of the marker is maintained regardless of how it is placed in the ground
• 10.4 cm diameter and self-leveling construction
• The ball contains a mixture of water with propylene glycol, which is easily biodegradable in the natural environment, not harmful to humans and animals
• Positive identification of underground telephone lines