Keystone C40AR


Assistant  stool recommended for users above 5’4″

Standard Features

  • Stool: Single Lever Adjustment
  • Seat: Round
  • Arm: Ratcheting
  • Cylinder: Tall
  • Foot Ring: Adjustable
  • Base: Metal
  • Casters: Hard floor
  • Cushioning: Closed Cell Injection Molded Foam
  • Upholstery: Medical Grade Vinyl


  • Weight: 35 lbs
  • Stool Base Diameter: 23″
  •  Floor Seat Height: 23″ – 30″
  • Seat Measurements: Diameter 15″

MSRP $1,040.00


  • The simple design allows the user to focus on what is important.
  • Superior cushioning creates unparalleled comfort.
  • Round Seat provides more freedom to move.
  • The ratchet arm adjusts vertically and horizontally to allow the user to operate comfortably.
  • Hard floor casters glide easily in any environment.
  • Five-leg powder-coated aluminum base provides improved stability.
  • Choice of different height lift mechanisms provides a wide range of adjustment

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