Features: 100% brand new and high quality Foot pitch: 18.5mm, socket diameter: 18mm Hole 18.5mm The diameter of the base copper foot is 1.2mm Small 9-pin tube socket, suitable for 12AX7, 12AT7, 12AU7, ECC83, ECC82, E88CC 6922 6p1 6p14 6n1 6N2 6N3 6n11, etc. Tin-plated phosphor copper feet, gold-plated, for PCB-board installation Applicable tube: 6DJ8 EL84 6922 6BM8 6BQ5/EL84 6CG7/6FQ7 6DJ8/ECC88 6DL4 6EU7 6AU8 12AT7/ECC81 12AU7/ECC82 12AX7/ECC83 12AY7 12AZ7 12BH7 12BY7 5751 5814 6189 7119/E182CC 7199 E80CC EF86 Package Includes: 10x Ceramic Tube Socket Specifications: Material:Ceramics Size:As Picture Shown Color:White note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.