To support rules (under hoardings or concrete slabs, for example) - Minimum folded height: 1.20 m - Standard height when extended: 3.30 m SPECIFICATIONS - Fitted with a water level support system - Easy millimetre adjustment with ergonomic thumbwheel system - Folding feet - With butterfly to lock the ruler USE - The horizontal position of the furring rule is adjusted using the 2 graduated flasks on the water level. The liquid is brought to the same graduation value in the 2 flasks by millimetre adjustment of the aluminium hen's feet. This millimetre adjustment is made by turning the plastic knob located under the locking butterfly of the intermediate column retaining ring.

To support rules (under hoardings or concrete slabs, for example)

• - Minimum folded height: 1.20 m
• - Standard height when extended: 3.30 m

Fitted with a water level support systemEasy millimetre adjustment with ergonomic thumbwheel systemFolding feetWith butterfly to lock the ruler
USEThe horizontal position of the furring rule is adjusted using the 2 graduated flasks on the water level. The liquid is brought to the same graduation value in the 2 flasks by millimetre adjustment of the aluminium hen's feet. This millimetre adjustment is made by turning the plastic knob located under the locking butterfly of the intermediate column retaining ring.