Square Box Extensions: 7 Results
4 IN SQUARE EXTENSION RING, 1/2 KNOCKOUTS
4 IN SQUARE EXTENSION RING, 1/2 AND 3/4 IN KNOCKOUTS
4 11/16 IN SQUARE EXTENSION RING, 1/2 AND 3/4 KNOCKOUTS
2 1/8 DEEP 4 IN SQUARE EXTENSION RING, 1/2 AND 3/4 KNOCKOUTS
4 IN SQUARE EXTENSION RING, 3/4 KNOCKOUTS
4 11/16 X 2 1/8 IN SQUARE EXTENSION, 1 IN KNOCKOUT
1-1/2& 3/4 STL THRU WALL BOX