Check the listing for details. 4 Set Guitar Nut and Washers 3/8" Input Output Jack Socket Nut Silver. Condition: New. Listed at 13.17 USD. What is this?The guitar nuts and washers are very important guitar replacements. It is suitable for various electric guitar and bass.What will I get?Guitar nut, is in size of : 12mm x 8.9mm x 2mm/0.47-inch x 0.35-inch x 0.08-inch(Hex opposite side width*Inner dia*Thickness)Guitar washers, is in size of : 9.5mm x 14mm/0.37-inch x 0.55-inch(Inner Dia*Outer Dia)Thread diameter: M10; Pitch: 1.0mmColor: SilverMaterial: Brass Nut, Iron WasherIn the package of: 4 Set x Guitar Nuts and WashersIs there any advantages of the product?Not easy to rust, durable, long service life; Simple installation and convenient use; Small size, light weight, easy to carry.How to use it?Steps of installation: 1. Select the guitar nuts and washers with appropriate size; 2. Remove the guitar nuts and washers to be replaced; 3. Installed on electric guitar.