Plastic Chair is used to support the bottom reinforcement in floor slabs. Very stable and has excellent concrete flow characteristics. Also commonly used in ground beams. 
Manufactured in accordance with BS7973-1 :2001
 
Note:
15mm & 60mm is 2mtrs long.
20mm,25mm,30mm,35mm,40mm,50mm & 70mm can be separated by hand to form 2 x 1 metre lengths.