Raco Manufacturing - Raco 696 Masonry Box, 2 Device, Non-gangable, 3-1/2" Deep, 1/2" & 3/4" End Knockouts

2-Gang Masonry Box, Nongangable, 3-1/2 in. Deep, Sixteen Concentric KO.s Features: Rugged welded design does not fall apart during construction.; Available from one to six gang configurations in both 2-1/2\" and 3-1/2\" depths.; Rectangular shape fits square cuts in block.; Large volume design allows for additional work room inside the box.; Standard 1/2\" and 3/4\" concentric knockouts.; Device ears inside the box prevent mortar from getting in the device holes.; Steel voltage partition #971 fits all 2-1/2\" or 3-1/2\" depths.; Standard wall plates can be used.; Supplied with sixteen 1/2 and 3/4 in. concentric knockouts; Welded steel construction; Standard device spacing with tapped 6-32 holes for devices; 45 cu. in. capacity; For 6, 8, and 10 in. block walls - Prop 65: No