https://www.sunpln.net/product/cabinet-and-rack/kb-series-essential-cabinets-2.html

Various sizes and parts are available according to different application demand.
Completely welded structure, firm and reliable.
Cable in/out access at the top, bottom and rear for convenient cabling on site.
Embedded side panel, tool free in assembling and dismantling, lock is optional.
Front door can be dismantled and change from right to left quickly without tools, opening angle 180°, convenient for equipments installation and maintenance.
Providing several copper grounding stud.