High quality: Made of nickel-plated iron, it is durable and has strong carrying capacity, wear-resistant, corrosion-resistant, with transparent thread and smooth surface without burrs. Embedded self-tapping screws: Each cylindrical shelf pin is equipped with a protective sleeve that prevents slipping, prevents wear, increases grip and eliminates possible friction noises and thus creates a clean environment. More pleasant to use. Special design: equipped with a dust cover, beautiful, wear-resistant. With mounting holes and can be screwed directly into products with large round heads without nuts. Connection fixation can be achieved Fine finish: through the use of high precision cutting technique, the threads are very precise and clean, with deep and clear threads that penetrate easily in the sheet metal to ensure firm fixation while not easily deformed or slipping during use Wide range of applications: these shelf brackets are widely used in home furniture , office and hotel. They are perfect for storage cabinets, wardrobes, display cases, pantries. For a variety of furniture, wooden joints, fixed support, triangular reinforcement.