| Easy-to-use metal knockout seal; Fast and easy to install from inside or outside of box; Embossed for quick self-centering in unused knockouts, one screw holds seal in place; Made of rust-proofed, cold-rolled galvanized steel, screw and bar are zinc-plated; 3/8 IN thread |
| Metal knockout seals are fast and easy to install from inside or outside of box |
| Embossed for quick self centering in unused knockouts |
| One screw holds seal in place |
| Made of rust-proofed, cold-rolled galvanized steel |
| Screw and bar are zinc-plated |
| Marked for size and catalog number for easy installation |
| 3/8 in thread size |
