Garvin 52171-SWB 4" Square Junction Box, 2-1/8" Deep w/ Wood Spike Vertical Bracket, (6) 1/2" & (3) Combo Knockouts

2-1/8 in deep with 4 in square boxes with wood spike vertical brackets and (6) 1/2 in & (3) 1/2 in-3/4 in side knockouts and (3) 1/2 in & (2) 1/2 in-3/4 in bottom knockouts are used when 4 in square boxes must be mounted directly to wood or metal studs. Square boxes are used to bring power to a number of electrical devices where multiple conductor runs are split in two or more directions.