This is a collection of piano restringing scale sheets for grand and upright pianos. It specifies which gauge of piano wire should be used for each instrument. The collection includes scale sheets for many different piano models and brands. Each sheet has been carefully catalogued, with: All individual sections, breaks or transition markers clearly identified Old and new tuning pin diameters, lengths, and colours recorded Felt colours noted Screw types identified (slotted, Phillips head, etc.), marked where necessary