Amazon.com: 2Pcs Heavy Duty Steel Mantel Brackets, 7 x 6 x 2½ inches Metal Shelf Bracket Support for Fireplace, Wall Mounted Floating Triangle Holder, Hand Welded Countertop Bracket Load 330 lb, 5.9
Amazon.com: 2 Pcs Mantel Brackets Heavy Duty Black 8" x 8" x 5" Floating Shelf Fireplace Bracket Thickness 6mm Max.Load 440lb Each Carbon Steel : Tools & Home Improvement
Farmhouse Mantel Brackets by Industrial Farm Co - Etsy
Amazon.com: Heavy Duty Mantel Brackets U-Shaped - Thickness 1/4" Floating Shelf Fireplace Bracket, Beam Style Mantel Support Max Load 440lb(200kg)Size: 6" x 6" x 5" : Industrial & Scientific
Floating Fireplace Mantel Brackets | Federal Brace
HD Mantel Bracket - 54" x 5.5" x 2.5"
JH-Mech Wrought Iron Mantel Brackets Supplier for Fireplace_JH-Mech Enterprises Inc.