RACO 130 Extension Ring

4 in. Octagon Extension Ring, Drawn, 1-1/2 in. Deep, Two 1/2 & Two 3/4 in. KO's

Drawn steel construction
4 in. x 1-1/2 in. deep
Supplied with two 1/2 in. and two 3/4 in. knockouts
Combination Phillips/slotted screw heads
15.5 cu. in. capacity