1、WOOD METAL MATERIAL: Crafted from premium maple wood and carbon steel, the file has high hardness and durability, ensuring a safe and environmentally friendly use. 2、EASY GRIP DESIGN: The file features grooves on both sides for easy gripping, with smoothly edges to prevent hand injuries and provide convenience during use. 3、2 IN 1 ANGLE: The 90 degree straight file is ideal for initial smoothing and leveling, while the 35 degree angled file allows for chamfering the edge of the silks before final trimming. 4、DUAL EDGED FILE: The double edged file with a certain tilt angle allows for quick material removal, while its larger size facilitates angled cuts on the entire neck at once. 5、VERSATILE APPLICATION: This guitar angled file is suitable for guitars, banjos, ukuleles, basses, and more, making it an excellent accessory for most guitarists, luthiers, guitar repair shops, and enthusiasts.