Let-Off Regulating Screwdriver, flexible shaft

Regulators for adjusting grand and upright piano actions with eye screws. Long, thin, flexible shaft facilitates access into difficult spots. 32 cm / 12.5″. Beautiful hardwood handle, nickel plated ferule.

#110220 works well for let-off regulation on many Asian pianos, indeed it is the only available tool that will work on Hailun verticals with spade end let-off screws.


  • A. #110215 Let Off Regulator for eye screws
  • B. #110220 Let Off Regulator for spade screws