Features: - Smooth fingerboard edge, no hand scratched. - High quality fingerboard with 22 cupronickel fret wire and white abalone mark dot inlay. - Installed with double style truss rod for 4 mm Allen wrench,so you can adjust to loose or tighten. - Made of maple wood origin from Canada which is more sturdy and resonance and sustain well. Specifications: Scale Length: 25.5 inch / 648 mm Number of Frets: 22 Width at Nut : 1.65 inch / 42 mm Width at 12th Fret: 2.07 inch / 52.5 mm Width at Heel :2.22 inch / 56.50 mm (±0.5 mm Deviation) Depth at 1st Fret: 0.87 inch / 22mm Depth at 12th Fret: 0.87 inch / 22 mm Depth at Heel : 0.87 inch / 1.08 inch with Fingerboard (22.00mm / 27.50mm(±0.5mm Deviation)) Tuner Hole Size: 0.39 inch / 10 mm Truss Rod Type: Double Style, for 4 mm Allen Wrench Radius: 16 inch /406 mm Material: Maple Origin from Canada Finish: Clear Satin Fret Wire: Cupronickel Fret Wire Type : 2.4 mm Medium Jumbo Dot: White Abalone Dot Size: 0.24 inch / 6 mm Side Dot: 2mm White Dot Package Included: 1 x Guitar Neck Notes: 1. Manual measuring, please allow 1 ~ 3mm error, thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.