Description
The Topaz 939 is a knockout reducing washer, 4" to 1-1/4". It is used to reduce the size of knockout holes.
Key specifications
- Reduces knockout: 4" to 1-1/4"
- Material: galvanized steel
- Use in pairs
- Certifications: UL listed
Compatible uses: Use to reduce the size of knockout holes.
Topaz part number: 939
UPC: 751338194403
Warranty Information