The ThunderStick Tron Style Knob for GRS Button Hole Spinner is a fine, industrial-quality aluminum knob that will fit your GRS button hole spinner perfectly. This knob is a perfect aesthetic addition to your spinner and has an industrial design that will keep it looking cool. It provides a tight grip for better performance during your spinning routine.
- Compatible with GRS spinner V1 and V2(TS-USP-01/02)
- Industrial quality
- 100 % aluminum construction