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
Raco 324 4" Octagon Box, Drawn, 1-1/2" Deep, (7) 1/2" KO's, Raised Ground, w/ Bar Hanger | Cooper Electric
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