Piano Hammer Shank Reducer

AMS Piano Tools

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About this item:

  • REDUCE HAMMER SHANK SIZE: This tool is used for reducing the size of hammer shanks to make them fit better with new hammers while keeping the shank's round diameter. In a piano action, a Hammer Shank is a wooden dowel that holds a hammer.
  • REMOVE SHANK OLD GLUE/ DIRT: When installing new hammers on new shanks, or when replacing old shanks to remove any remaining glue or debris, this tool comes in useful.
  •  ADJUSTABLE SHANK REDUCER: This tool is adjustable to be used on any size shanks - for Grand, Upright, Console or Spinet Pianos.
  • TRIM DOWN NEW SHANK: It can also be used to trim down a new shank when installing it on an old hammer.
  • EASY TO USE SHANK REDUCER: Simply insert the shank on the reducer and turn the tool to squeeze the blades together a little tighter, cutting more wood off the shank.


Product Description:

This piano tool is used to remove glue and reduce the size of hammer shanks to fit new hammerheads. Turning the nut adjusts the size within 1/100 of an inch. It is 2 3/4 inches long and nickel plated.

This hammer shank reducer is designed to be used with any of our combination tool handles. A very convenient tool for every piano technician when it comes to hammer shank repair or replacement.



  • Product Type: Hammer Shank Reducer
  • Nut Adjustment Size: Within 1/100 of an inch
  • Length: 2 3/4 inches long
  • Material: Nickel Plated
  • Manufacturer: USA Made