Hubbell-Raco 193 4" Square Box, Welded, Metallic, 1-1/2" Deep, B Bracket

B Bracket, 4" Square Box, Welded, Metallic. Depth: 1-1/2". Side Knockouts: (6) 1/2" & (4) 1/2" & 3/4" TKO (eccentric). Bottom Knockouts: (3) 1/2" & (2) 1/2' & 3/4" TKO (eccentric). Cubic Inches: 21.0". Includes: Ground Screw.