Features:5PCS Ceramic 9Pin B9A PCB MOUNT Tube Socket.Made of durable ABS material, this tube socket is wear-resistant for long-lasting use.This 9-pin tube socket is suitable for wide ranges of applications.It is for 12AX7,12AT7,12AU7,ECC83,ECC82,E88CC 6922 6p1 6p14 6n1 6N2 6N3 6n11;9pin Vacuum Tube Socket Specifications:Material:ABSOption Type:Copper-Plated Tube Socket,Tin-Plated Tube Socket;Diameter:Approx.1.8cm/0.71infor 12AX7,12AT7,12AU7,ECC83,ECC82,E88CC 6922 6p1 6p14 6n1 6N2 6N3 6n11; Note:Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes:5x9pin Vacuum Tube Socket