Description Are you a guitar lover? Or does your friend like to play guitar? Then consider buying our products! Our product is a set of guitar string action gaugeruler and understring radius gauges specially designed for measuring guitar string pitch, which can meet the needs of professional and personal use. Features -Color: As shown -Material: Iron, plastic -Size: 9.00X5.50X0.10cm/3.54X2.16X0.04in - The guitar ruler set can measure the flatness of guitar neck, string distance, under string radius etc. - Excellent and wearable plastic and iron material ensures their long serving life and durability. - This set includes guitar string action gaugeruler and under string radius gauges, suitable for different measuring needs. - Simple to use and convenient to carry, they are very practical and convenient for guitar lovers. - Professional guitar measuring accessories, it is also an essential repairing tool set for guitar luthier.Package List9 Guitar Understring Radius Gauges 1 Guitar String Action Ruler Gauge