Features and Specifications:

• High Quality Prototyping PCB For Tube Amplifiers/ Pre Amplifiers
• FR4 Grade Glass Epoxy Dual Sided PCB
• Big enough PCB to Accomodate High wattage Resistors and Bigger Diameter capacitors on the Bottom side 
• Dimensions: 200mm x 150mm x 1.6mm 
• This PCB can be used for the following sockets
• 4 PCS - Small 9-pin or Small 7-pin dual-seat  (flat foot hole design)
• 4PCS - Large 8 Pin Sockets ( Round or Flat Foot ) CMC Types Also Compatible
• 4PCS - 9 pin Sockets ( Round or Flat Foot )
• 20PCS- 3P Screw Terminal Blocks Around the Periphery