Nautilus Designs Babylon High Back Bonded Leather 24 Hour Synchronous Task Operator Office Chair With Multi-Adjustable Arms Black - BCL/R440/BK DDThis feature loaded bonded leather high back task chair is as much visually appealing as it is functionally rich. Recommended for 24 hour use, a triple paddle synchronous mechanism offers a multitude of adjustment capabilities to suit the user's preference, including back height, back rake, forward seat tilt and seat slide adjustment. It also provides tension control adjustment to allow for the individual's bodyweight and is lockable in the upright