Vacuum tube tester with the front panel

Description

Vacuum tube tester with the front panel.
Includes:
1 x tube tester KIT
1 x 4-6.3V/4A heating power
1 x complete front panel and cables
Instructions of the tube tester KIT ( with the 4-6.3V/4A heating power):
https://www.ebay.com/itm/162048890376
The dimension of this front panel is 31cm x 21cm, the thickness is 3.5mm.
The board is made of
Glass fiberboard.
If you have any questions of this board, please feel free to contact us, thank you very much!