Spacers (also called bolsters in the UK and the USA) are designed to maintain the distance between the lower and upper reinforcements in a concrete floor or wall. This ensures that the spacers (bolsters) provide perfect concrete coverage.
 
Spacers (bolsters) are made of steel wires that meet the most stringent specifications. Spacers (bolsters) can be used for both horizontal and vertical applications such as floors and walls.
Spacers (bolsters) are quick and easy to install.