For the permanent security of the
Level even after the plaster work.
For the security of established
height ratios even after the plaster work.
To ensure the secutrity of axes.
RS20 datum markers after
plasterwork, the upper edge of the pin acts as the marker
The Datum Marker remain as proof
under the plaster.
The RS20 & RS21 level markers are also available in red without the inscription "Meterriss".
Item numbers RS20r oM and RS21r oM.
The RS21 level markers are perfect for attaching to round pillars.
Before mounting on the pillar, use a carpet knife to cut the projecting plastic on the level markers approximately 4 times at one centimetre intervals. This enables the level markers to be attached to pillars with a small diameter.