Welcome to the all-new SitOnIt Seating!

Say hello to your destination for doing more with less. All former IDEON and Symmetry collections can be found here. One brand. One beautiful new site. One partner and place for creating any (and every) space.

Working with solid steel.

Designed for durability and backed by solid steel, the Non-Stop™ Heavy Duty task chair delivers ergonomic comfort all day long. It's a perfect fit for high-intensity 24-hour environments like healthcare, call centers or public safety, where chairs need to perform all day, every day.

Non-Stop Heavy Duty chair, Designtex Skylark Blue Jay, ajustable arms, black base 

Heavy Duty Task Chair with Adjustable Arms

Non-Stop Heavy Duty chair, SitOnIt Seating Element Brownstone, adjustable arms, brushed aluminum base


  • Reinforced heavy gauge steel mounting brackets
  • Multilayer cushioning
  • Waterfall seat
  • CAL 133 approved models
  • Heavy-duty 24/7 option warranted to 350 lb or 500 lb




  • Size 3 features dual torsion


  • Thousands of textile choices
  • Ballistic nylon upholstery

Arms/Casters/Frame Finishes

  • 4 arm styles include small loop, height adjustable and height adjustable articulating and break-away (only available on Stool)
  • Large loop arm only available on Size 3
  • Black nylon or brushed aluminum base

Additional Options


  • Heavy-duty 24/7 option warranted to 350 lb or 500 lb



Product Info

  • Non-Stop Sell Sheet [1.6 MB]
  • Non-Stop Price List [477.3 KB]
  • Non-Stop Control Adjustments [235.4 KB]
  • Non-Stop Tilt Adjustments [157.7 KB]
  • Environmental Data Sheets [38.5 KB]
  • Non-Stop AutoCad 2D Files [860.3 KB]
  • Non-Stop AutoCad 3D Files [8.4 MB]
  • SItOnIt Seating: BIFMA Level 2 Certificate [199.2 KB]