Specification: 100% brand new with high quality Color: AS shown in picture. Diameter: Approx. 9mm/ 0.35inch Thickness: Approx. 2mm/ 0.07inch Electric guitar socket jack nuts set, replace your worn out parts Easy to install Suitable for electric guitars and bass Package Included: 5 x Nuts 5 x Washers Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2mm differences due to manual measurement. 3.Thank you for your kindly understanding