Always stay straight!

For creating a guideline for all common masonry (brick, sand-lime brick, aerated concrete) and for paving work

The cord tensioners can be used in a variety of ways:

• On the outer masonry
• With pre-bricked corners
• On the inner masonry
• Over corners

The cord can be tensioned easily and fixed with a plastic nut.
Included: device and fixation for practical storage as a couple