New plastic printed circuit board mount 9 pin type (British terminology " B9A ") sockets with mounting rings for connecting to a tube shield (included). Sockets fit standard US printe circuit board pattern for 9 pin sockets. Shields fit medium-short 9 pin tubes such as 12AX7 , ECC83 , ECC82 etc. Price is per socket. Offers on this item considered for quantity 50 or more. This item is shipped from Britain, in North America or Asia please allow 2 to 3 weeks for delivery.