Product Features:
Guitar neck notched straight edge luthier tool is made of 4mm thick aluminum alloy, durable and not easy to deform, ensuring a longer lifespan. 
Specifically designed to check guitar fingerboard straightness and fret wires levelness.
Use the notched side to check the flatness of fretboard, measure guitar neck relief, and pinpoint problem areas, finally evaluate proper truss rod adjustments.
Use the complete side to check fret levelness by placing it on top of the frets.
Integrated 25.5"(F) & 24.75"(G) scale guitar, and accurately adjust the distance of the notches, making it suitable for most of guitars.
With a nice oxidation matte finish and laser engraved, shows an elegant appearance. 
Guitar neck straightness check tool is ideal for luthiers, guitar players, music enthusiasts, and professional shops.
  
Product Specifications:
Material: Aluminum Alloy
Size: 430 x 30 x 4 mm / 16.9 x 1.18 x 0.16 in
Weight: 0.13 kg / 0.29 lb 

Packing List:
1 x Guitar Neck Notched Straight Edge (4mm Thickness)