These floor hieght gauges or levelling pegs are for measuring the thickness of self-levelling compound spread over a floor. The vertical pegs can be stuck to the ground with double sided pads. Once the compound is set the soft LDPE material can be easily sliced off at ground level. With bright yellow colour and engraved measurements up to 100mm, the pegs they can be easily read. The double sided pads are also of the highest quality, 3M Very High Bond pads.