Balance & Front key pin smoother Regulation Tools for UP & GP from Japan

Description

About This Items

  1. Thickness 5mm (0.2 in), total length 173mm (6.8 in)
  2. As a work before tuning, cleaning the key pins reduces friction resistance and makes the movement of the keys smoother. (It becomes clearer)
  3. This creates smooth movement and better pronunciation.
  4. A must-have item.
  5. It will be better if you polish it with Protec MPL-1 or PROLUBE.