of best wood with durable PVC cover and galvanized metal fittings, 4 m long foldable in 1 m pieces, graduation changing 1 m in black, 1 m in red. Levelling staffs are only available with upright figures.
Typ 1511
of wood | Width: 50mm
Typ 1521
of wood | Width: 80mm
Typ 1531
of light metal | Width: 57mm