Core Features for Users (with Long-Tail Keywords) 5mm Thick Solid Iron Heavy-Duty 15kg Capacity: Made of high-quality solid iron (5mm thicker than standard brackets), each bracket supports up to 15kg safely holds books, kitchenware, or decor (no sagging even with heavy items). Ideal as 5mm Thick Metal Shelf Brackets for UK Heavy-Duty Use (great for family kitchens or home offices). 20cm Size + Matte Black Finish Decor & Function: 20cm support rods fit most floating shelf widths (15-25cm, common in UK homes). Matte black powder coating resists rust/scratches and matches British decor styles modern, farmhouse, or industrial. Perfect for 20cm Matte Black Shelf Brackets for UK Living Rooms/Bedrooms. 2 Installation Methods Drill/Adhesive: Choose to drill (for concrete/brick walls) or use adhesive (for plasterboard/drywall no wall damage, ideal for renters!). All hardware included (14 expansion screw sets: 40mm for concrete + 42mm for plasterboard, 1015mm self-tapping screws) plus a free spirit level for straight alignment. A must-have No-Drill/Drill Shelf Brackets for UK Renters/DIYers. Package Included 4 Matte Black Metal Wall Mounted Shelf Brackets (20cm) 14 Expansion Screw Sets (40mm for concrete + 42mm for plasterboard, 14 each) 10 15mm Self-Tapping Screws 1 Spirit Level (for precise alignment) 1 English Instruction Manual (step-by-step with wall type guides) 1 3-Layer Heavy-Duty Cardboard Box (shipping protection) EONLION 4 Heavy Duty Black Cast Iron Shelf Brackets 8 Inch