6pcs silver Aluminum 55MM Tube Socket Shield Cover For 5755 12AX7 12AT7 12AU7

Brand New Full Aluminum Shield Tube
Material: Full Aluminum
Mounting Hole distance: 28mm
Height: 55mm
Diameter: 25.4mm
Can be used for: 12AX7，12AT7，12AU7，ECC83，ECC82，E88CC 6922   6n1 6n11 6N2 6N3 tubes