Check the listing for details. 4 Set,Guitar Nut and Washers 3/8" Guitar Input Output Jack Socket Nut Silver. Condition: New. Listed at 12.24 USD. General Information：[1]Please pay attention to selecting the guitar nuts and washers with appropriate size, especially the length and width of the guitar nuts and washers.[2]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: 1.0mm; Color: Silver; Material: Brass Nut, Iron Washer; In the package of: 4 Set x Guitar Nuts and Washers[3]Not easy to rust, durable, long service life; Simple installation and convenient use; Small size, light weight, easy to carry.[4]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.