Square Capstan Screw Wrench

AMS Piano Tools

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Quality tool manufactured in the USA designed for adjusting square piano capstan screws for adjusting lost motion in pianos.  8" long tool with opening on each end which will fit 2 different sizes of piano capstans.  One end has a 1/8" wide opening and the other end has a 3/16" wide opening.  Chrome plated for durability.  

Quality tool manufactured in the USA.