The reverse side is carved on transparent acrylic with white paint, so the letters are hard to disappear.
These devices are installed on switchboards, distribution panels, control panels, telecommunications equipment, and industrial machinery, and their names, uses, and functions are indicated.
Specifications
Display contents: rise
Text color: Black
vertical (mm): 50
next (mm): 40
Thickness (mm): 2
hole diameter (mm): 30.5
hole diameter: φ 30.5
Material/finish: Transparent Acrylic (back white Coating)