🎸Material: Stainless steel guitar neck notched straight edge, Heavy duty material, very straight. Made of stainless steel, rus-tproof, durable to use.
🎸Easy to Use: By sliding the notched grooves of the straight edge until they all set flat against guitar frets, you can see if your guitar neck is straight or needs adjustment
🎸Guitar Action Gauge: Precisely adjusted the distance of the notched, accurate and clear to measure string height, bridge height, nut slot depth, bridge slot depth and pickup height.
🎸Practical Design: Excellent Luthier tool and essential for any guitar technician, or guitarist who wants to look after, maintain and repair their instrument themselves.
🎸Wide Usage: The string action ruler helps to accurate action measurements for string instruments such as guitar, bass, mandolin, etc.