Material Thick iron, 1,5mm, perforated and powder coating; Front with glass

Color Grey, the same with Thivanlabs’s tube amplifier color

Dimensions (cm)(W x D x H) Outer: 39 x 15 x 18
Inner : 37 x 14 x 18

Feature Tube cage is embed on the amplifier by NEO magnet. It is not only firm and durable but also easily taking out. Protecting your tubes from children.