Designed for optimal performance, these tube sockets are made from durable material that offers excellent insulation properties. The 8-pin configuration is suitable for a wide range of electronic tubes, ensuring versatility in various applications. The tinned phosphor bronze touch provide fine electrical conductivity, enhancing the overall performance of your electronic devices. Features -Color:Black -Material:Metal, plastic -Size:5.00X3.50X2.00cm/1.97X1.38X0.79in -Improved conductivity: tinphosphorus plating significantly boosts conductivity, ensuring stable and efficient power transmission -Multimodel compatibility: suitable for a range of tube models, providing flexibility for different electronic applications -Maintenance efficiency: suitable for bulk replacements or spare storage, facilitating quick and efficient maintenance -Robust design: designed to endure highfrequency vibrations, ensuring durability in challenging conditions -Audio performance boost: precision manufacturing enhances audio output, ideal for upgrading Package list: 5 x electronic tube socket bases