Square Box Extensions: 8 Results
4 IN SQUARE EXTENSION RING, 1/2 AND 3/4 IN E KNOCKOUTS
4 IN SQUARE EXTENSION RING, 1/2 KNOCKOUTS
4 IN SQUARE EXTENSION RING, 3/4 KNOCKOUTS
4 IN SQUARE BOX EXTENSION, 1 1/2 DEEP, 1/2 AND 3/4 IN KNOCKOUTS, STEEL
4 IN SQUARE BOX EXTENSION, 1 1/2 DEEP, 1/2 IN KNOCKOUTS, STEEL
4 IN SQUARE EXTENSION RING, 1 1/2 DEEP, 3/4 IN KNOCKOUTS, STEEL
WELD 4 IN. SQ EXT RNGS-1.5 IN. DP
1-1/2& 3/4 STL THRU WALL BOX