Raco 15.5 cu in Steel Octagon Box w/Romex Clamps (146)
Hubbell Raco 4 in. Octagon Box, Drawn, 1-1/2 in. Deep, Two 1/2 & Six 3/4 in. KO's, Raised Ground, Gray, (126): Electrical Boxes: Amazon.com: Tools & Home Improvement
Box with handle template, square box, cube box, favor box, g - Inspire Uplift
Steel City® 54151-J-1/2 Octagon Ceiling Box, Steel, 15.8 cu-in Capacity, 1 Outlet, 6 Knockouts, 1-1/2 in D Dimensions | SMC
4″Octagon Box, 1-1/2″Deep With MC Cable Clamps (50Pcs) – QB Electrical Supplies Inc.