- Used to reduce the size of a knockout
- Decreases the size of a 2-in knockout to 1-1/2-in
- Zinc-plated steel construction
- Two washers are required per knockout
- Product is cULus listed
- Used to reduce the size of a knockout
- Decreases the size of a 2-in knockout to 1-1/2-in
- Zinc-plated steel construction
- Two washers are required per knockout
- Product is cULus listed
