| Material | Steel Pre-galvanized | 
| Size | 1/2&3/4" K.O. | 
| Type | Drawn | 
| Standard | UL 514A | 
| Depth | 1-7/8" | 
| Thickness |  0.7mm - 1.6mm | 
| Usage | mount on the surface of the wall and are used in the installation of switches, receptacles, and other electrical devices with 1-1/2”, 1-7/8”, and 2-1/8”depths. | 
