Hubbell-Raco 237 4" Square Box, Welded, Metallic, 2-1/8" Deep, FM Bracket

FM Bracket, 4" Square Box, Welded, Metallic. Depth: 2-1/8". Side Knockouts: (8) 1/2" & (4) 1/2" & 3/4" TKO (eccentric) . Bottom Knockouts: (3) 1/2" & (2) 1/2" & 3/4" TKO (eccentric). Cubic Inches: 30.3". Includes: Ground Screw.