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.  Two iterations of this tool are in stock: for eye screws and for spade-end regulation screws.

#110220 works well for let-off regulation with spade end let-off screws found on many Asian pianos, including Hailun verticals.

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