3M middle range marker TEL (up to 1.8m) EMS 1255

3M middle range marker Telephone (up to 1.8m) EMS 1255 - ensures easy marking of underground telephone lines at a depth of up to 1.8 meters. The markers spokes help stabilitize it in the correct position after placement. Passive middle range markers 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.

Features:
• Adapted to be located at a depth of 180 cm
• Marker spokes help stabilization in correct position
• 21.3 cm diameter
• Positive identification of underground telephone facilities