When installing paving blocks, kerbs, and slabs; straight and square edges are required, as skew plumb lines are often a problem on-site. The Probst String Tight System is an effective tool to use for laying paving and for masonry work. This system provides a clearance of approximately 4-5mm between the pavers and the string line.

This system is adjustable to fit any size and shape of paver to ensure paving alignment. It is made of robust steel, and allows for the effortless adjusting of the string line; laterally and vertically.

The kit contains 2 metal brackets and 1 roll of Nylon line (with a thickness of 1,4 mm and a length of 100 m).

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