9 Pin Miniature Belton Socket. Applicable For Use With All Types Of Electric And Electronic Equipment Using Vacuum Tubes. Paddle Saddle Mounting Phosphorous Bronze Pin Terminal With Tin Plating Glassfiber Filled Pps Insulating Material Easy Mount With Collar Attached Socket 1-⅛&Quot; Mounting Centers Fits &Frac34;&Quot; Chassis Hole Top Mount