4-11/16 in. Square Extension Ring, Drawn, 2-1/8 in. Deep with Eight 1/2 and Four 3/4 in. KO's
Combination screw heads provide for faster installation
TKO knockouts allow for design and installation flexibility
Drawn steel construction
4-11/16 in. square x 2-1/8 in. deep
Supplied with eight 1/2 in. and four 3/4 in. knockouts
Combination Phillips/slotted screw heads
43.0 cu. in. capacity. This item has been restricted from sale in the following state(s): []