Hart spring tool
Hart spring tool
SKU: 7191
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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, as well. Well-crafted in stainless steel for a lifetime of use. 6-1/2" long.
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Pianos Bolduc, manufacturer of fine piano components, maker of specialized tools, and major piano re-builder distributes parts and supplies for piano technicians and rebuilders around the world. This catalogue has been specially designed to serve piano technicians, re-builders, and manufacturers. For technical advice, please do not hesitate to contact us by e-mail (info@pianosbolduc.com).