Muspor 2 in 1 Guitar Fret Crowning Beveling File Luthier Repair Maintenance Polishing Tools Bevel-flush Files Musical Instruments Guitarra Parts. Feature: Fine fret file with block between a certain degree of inclination just polished at the edge of the product gradient to protect your loved ones. Double-cut mill file for fast material removal, Larger size good for beveling the entire neck at once. 90-degree right-angle file for initial smoothing and flush-filing. 35-degree angled bevel file for perfectly beveling fret ends before final dressing. File: High Carbon Steel material, hardness 60, files are easily removed and replaced. Specification: Brand: Muspor. Material: maple, high carbon steel. Angle: 35°/90°. Size: 150mm(5.9")x65mm(2.56")x30mm(1.18"). Uses: guitar repair and maintenance, luthier tools.