This is a piano wrench designed for careful action work, giving repair workers and technicians a dedicated tool for adjustment tasks. As an action regulation wrench, it helps control fine movement in the mechanism so tuning and repair steps can be handled more accurately. Built as a renner action wrench, it features a precise head shape that helps the tool seat securely and stay aligned during use. The hammer shank wrench design supports stable grip and controlled leverage, making workshop jobs feel smoother and more efficient. Ideal for music shops and service benches, this tool supports detailed regulation work and helps improve the consistency of piano action setup.
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