Product Description Product Features Durable and Rust-Proof: Constructed with an aluminum alloy main body, ensuring a sturdy and rust-resistant leveling beam. Versatile Sandpaper Options: Includes self-adhesive sandpaper strips with grits of 400, 600, 1000, and 1200 to accommodate diverse sanding needs. Wide Application: Ideal for use with electric guitars, folk guitars, electric basses, electric box guitars, and more. Convenient and Long-Lasting: Comes with a spare set of sandpaper, making replacement simple and extending the product's service life. Exquisite Craftsmanship: Crafted with high quality for an exceptional user experience. Specifications Material: Aluminum alloy and sandpaper Product Size: 20 x 3.8 x 2.5 cm / 7.8 x 1.4 x 0.9 inch Product Weight: 138 g / 4.8 oz Package Size: 20 x 6 x 3 cm / 7.8 x 2.3 x 1.1 inch Package Weight: 139 g / 4.9 oz Package Includes 1 x Fret Leveling Beam 4 x Sandpaper