Same 16 gauge steel and gold zinc plating as the chassis.
Can also be used to cover the filter cap hole near the PT for builds with no top mounted caps. Or to cover two of the output tube sockets holes for building 50 watts.
Comes with brass mounting bolts.
This product is now available from Valvestorm.com
Please visit the online store to place your order.
http://valvestorm.com/Products/MetroAmp