Guitar Neck Ruler, String Action Gauge with Precision Measurement for Setup, Stainless Steel Luthier Tool Techs & Musicians

Smooth Safe Edges: Crafted from durable stainless steel with naturally smooth, filed edges for safe handling—no additional sanding needed to protect your guitar's delicate surfaces. Dual Scale Versatility: Features both 25.5-inch (scale) and 24.75-inch (scale) measurements on opposing sides, allowing quick checks of fretboard straightness across popular guitar brands. String Measurement: Accurately measures string action (height), chord spacing, nut saddle slot depths, freboard width, and neck chord length—essential for precise setups & adjustments. Fretboard Contour Companion: Unique notched design conforms to common fret wire , enabling curvature measurements without lifting strings. Perfect for evaluating neck relief and fret leveling needs. Effortless Operation: Dual-sided notched straight edge guarantees stability during use. This pre-performance setup tool ensures your guitar feels & plays just right.