Hemispherical Polycroc Marker, Marker with a polyroc head in composite material and galvanized steel a survey spike in compliance with the norm NF EN ISO 1461.

Dome Polycroc Marker. Marker with a polyroc head in composite material and a galvanized steel survey spike in compliance with the norm NF EN ISO 1461

The standard marker consists of a polyroc head with three anchor lengths: 350, 500 and 600 mm. The polyroc head is available in three colours and is manufactured from resin-concrete, a material which is very similar to granite.

The large model polyroc head is very similar with the standard polyroc head but with a more important head. (Base 105 x 105 – Hight 85 mm). A locking sleeve is free delivered with polyroc head marker. The sleeve prevents rotational and lateral movements of one element against the other

The super Polyroc marker has a head with large dimensions : Base 115 X 115, high 120 mm. Marker with a Polyroc head in composite material and a galvanized steel survey spike in compliance of the norm NF EN ISO 1461.