Hart Spring Tool

Hart Spring Tool

$35.00

THE BEST SPRING REGULATION TOOL MADE

The Hart Spring Tool is designed specifically for regulating tension of the butterfly type spring. The circular notch allows use from any position, and cannot kink the spring.

Absolutely the best spring regulation tool made. Works great on hammer butt and damper lever springs. Well-crafted in stainless steel for a lifetime of use. Measures 6-1⁄2” in length.

See this demonstration video:

https://www.youtube.com/watch?v=514vPQQ8gt8

Quantity:
Add To Cart
Keyframe Glidebolt Regulator End of glide bolt.jpg

Keyframe Glidebolt Regulator

$39.00
Double-End Drop Screwdriver IMG_4745.jpeg
sale

Double-End Drop Screwdriver

Sale Price:$49.99 Original Price:$59.00
Piano Action Screwdrivers IMG_3600.JPG

Piano Action Screwdrivers

from $35.00
Reyburn Temperament Strips IMG_3745.JPG

Reyburn Temperament Strips

from $42.50
Reyburn Pianoworks Key Bushing Packages. Deluxe or Basic. RPW Basic package.jpg

Reyburn Pianoworks Key Bushing Packages. Deluxe or Basic.

from $695.00