Keyhole screw slots in coverShipped completely assembled no end caps to installMounting holes on the back of the enclosureFlat cover fastened with plated steel screwsNo gasketing or knockouts16 or 14 ga plated steel
nVent HOFFMAN A1212120T1T F40T1 Long Wiring Trough, 120 in L x 12 in W x 12 in H, Flat Cover, Steel