52171-S-UPC Southwire Screw-On 4 In. x 4 In. Welded Steel Square Box

52151-FS-UPC Southwire Bracket Mount 4 In. x 4 In. Welded Steel Square Box

52151-FR-UPC Southwire Bracket Mount 4 In. x 4 In. Welded Steel Square Box

52151-SWB-UPC Southwire Bracket Mount 4 In. x 4 In. Welded Steel Square Box

52151-B-UPC Southwire B Bracket Mount 4 In. x 4 In. Square Box with Off-Center K

(QTY 25) Southwire 52C4-5/8 4" Square To 4" Octagon Device Ring Raised 5/8"

NEW BOX 25PC Southwire 4" Square To 4" Octagon Device Ring - Raised 5/8"

54151-JR-UPC Southwire Bracket Mount 4 In. x 4 In. Octagon Box