Material sales
The following special materials for marking can be obtained from swisstopo (subject to availability; prices upon request).
Bolts
Bolt for control points
- Porcelain (Art.No. 2544.0542)
- Bronze (Art.No. 2544.0541)
Bolt for bench marks
- Bronze (Art.No. 2544.0530)
(cantonal levelling bolt)
Special material
Precision centering bases
- Precision centering base (Kern System) (Art.No. 2544.0569)
Federal Office of Topography swisstopo
Division Survey
Seftigenstrasse 264
3084 Wabern
Seftigenstrasse 264
3084 Wabern



