Replacement Knob Set for Wobble Chair Arms


Replacement knob set for Therapeutic Wobble Chair Arms, does not include armrests, only the knobs.

These knobs attach underneath the arm bracket to secure the arms to the bracket and allow adjustment of width.

The Pettibon System Therapeutic Wobble Chair is a patented solution for back pain relief. With 360° of rotation, side to side, and front to back flexion, you are able to achieve all possible combinations of exercise motion.



  • 1 set of Replacement Knobs for the Therapeutic Wobble Chair Arm Rests.

Does not include the Wobble Chair Armrest Bracket.

To be used with Therapeutic Wobble Chair.

Product Size: 2 1/4 x 2 1/4 x 1 1/4 in.

See Specifications for as-shipped size

Additional information

Weight 0.1 oz
Dimensions 12 × 7 × 5 in




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