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Hart spring tool

Hart spring tool

Delivery charges may vary from one shipment to another. We will confirm these fees with you before proceeding with the payment.
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.

Shipping & Returns

Delivery charges may vary from one shipment to another.
We will confirm these fees with you before proceeding with the payment.

Please note that our business hours are (Eastern Time):
Mon-Thu: 8h00-17h00
Fri: 8h00-16h30

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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).