B5 Gold Plated PTFE tube socket 5Pin 

• A fantastic upgrade over standard ceramic tube sockets.
• Each socket is machined from Hi Quality PTFE. 
• Better isolation and temperature endurance makes it a premium tube socket suitable for high end audio and other critical applications.
• The unique socket pin design holds each tube pin on all sides giving more contact area , which greatly increases connectivity and gripping.
• The pins and contacts in this socket are 24K gold-plated over copper.
• PTFE based tube sockets can absorb mechanical vibration.
• Hole diameter 27.00 mm, Mounting distance 35mm.
• Chassis Mount on top or bottom.
• Compatible with B4 B5 PX25 PX4 RE084 RGN1064