Features: *High quality: Made of iron and ABS plastic, these floating shelf brackets are strong and long-lasting. They are finely crafted, reliability and a prolonged service life. Suitable for brick walls or concrete walls. *Design: These brackets have a brown color that blends seamlessly into any room, including the kitchen, living room, bedroom, bathroom, etc. The design gives the illusion of a floating shelf, adding a touch of elegance to your decor. *Bearing Capacity: The hexagonal column-shaped bearing bar, equipped with barbs and a plastic shell, provides excellent resistance and ensures stability. The internal metal structure further enhances the load capacity of the brackets. *Easy Installation: Installing these heavy-duty invisible shelf brackets is a breeze. Simply drill a 0.43 inch hole, 4 inches deep, in your shelf. Then, insert the expansion tube and bracket into the hole, and secure the other end into a drilled wood hole. *Multipurpose: These floating shelf fixings are perfect for brick walls, concrete walls, and solid walls. They are not suitable for drywall or plasterboard. Good for displaying plants, photos, books, antique keepsakes, kitchen utensils, and other decorations. Specifications: *Product Name:Bulkhead nails *Material:Iron + Plastic *Size:10*100mm/10*145mm/12*120mm/14*140mm *Color:Brown Package Content: 2*Bulkhead nails Note: . The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. STRONG CONSTRUCTION] Crafted from iron and ABS plastic, these floating shelf brackets promise enduring strength and reliability for all your shelving projects. STYLISH APPEARANCE] The rich brown finish complements any interior design style while giving the illusion of floating shelves that elevate your space's aesthetic appeal. ENHANCED LOAD CAPACITY] Designed with a unique hexagonal column bearing bar and reinforced metal core, these brackets for ensure stability even under heavy loads. APPLICATIONS] Suitable for various wall types excluding plasterboard, these brackets are great for showcasing plants, cherished photos, or collectibles in any room.