6 X 6 Inch Square Extension Ring 1-1/2 Inch Deep With 6 1/2 Inch & 6 1/2 Inch - 3/4 Inch Knockouts-2 per case
6 X 6 Inch Square Extension Ring 1-1/2 Inch Deep With 6 1/2 Inch & 6 1/2 Inch - 3/4 Inch Knockouts-2 per case
6 X 6 Inch Square Extension Ring 1-1/2 Inch Deep With 6 1/2 Inch & 6 1/2 Inch - 3/4 Inch Knockouts-2 per case