Replaces blocks and wedges

Fast and precise levelling

Distance indicators at 10/15/20 mm from the top of the screw

Adjustments from heights of 5–35 mm

Magnetic pipe bits simplify the screwing process

Easy to adjust after installation using a spanner

A better seal and improved insulation properties

No thermal bridging

The same screw is used in concrete and wood

Levelling windows and doors

Used as a counter support behind casings, door frames and lock casings on doors

Support for sills and casings