Achieve Perfect String Spacing Without Guesswork
The String Spacing Rule is an essential tool for luthiers and musicians, ensuring precise proportional slot spacing for stringed instruments. Designed for guitars, basses, mandolins, and banjos, this laser-etched stainless steel rule eliminates the need for calipers, calculators, or rulers. It automatically adjusts for string diameter, providing a natural and comfortable feel for the player.
Fast and Accurate Nut Slotting
With slotted markings, this tool allows for quick and easy transfer of string positions onto the nut. Use a scribe for ultra-precise starter grooves, ensuring professional-quality nut slotting.
Effortless String Layout
Simply mark the outermost string positions, align the rule, and match the pre-cut slots. No calculations or measurements required—the rule does the work for you.
Versatile and Multi-Purpose
Ideal for nut slotting, bridge pin hole layout, and Tune-o-Matic bridge saddle notching. It's also useful for shaping and spacing archtop guitar, banjo, mandolin, and violin bridges.
Durable Stainless Steel Construction
Crafted from flexible laser-etched stainless steel, this rule conforms to both flat and arched surfaces for reliable precision. Includes full instructions for easy use.
Perfect for professional luthiers and DIY instrument builders, the String Spacing Rule is also part of the Essential Nut Making Tool Kit, providing everything needed for expert nut shaping and fitting.