Raco 653 1-1/2" Deep Handy Box Extension, Welded, (8) 1/2" Knockouts, 4" x 2"
Price 3.50 USD
RACO Handy Box Extension Ring, 4-Inch x 2-Inch x 1-1/2-Inch deep, welded construction. Provides a means for adding additional cubic capacity to handy boxes. Box has eight 1/2 in. knockouts.