• Unique expanding rubber end fixing of springs (Patent applied for) which also provides high frequency attenuation.
  • Nominal 20 & 25mm deflection colour coded helical steel springs to BS1726 Class B with 50% overload capacity and O/D equal to at least 85% of working height.
  • Can be bolted to supporting structure or free standing on 6 mm thick ribbed rubber pad (3 mm on OSS).
  • Fully height adjustable (OS25).
  • All steel components are zinc plated.
  • No snubbing gives maximum efficiency.