High Quality: The shelves pins are made of nickel-plated zinc alloy, with a smooth surface, no rust, no oxidation, no deformation, strong and durable. Plastic pads keep the glass from sliding on it. Easy to Install: All of it is easy to install, simple design and elegant appearance. No mounting screws or hardware are visible once installed and bring a refined sense to your home. Color and Size: The appearance of the glass shelf bracket is black, which is conspicuous., the maximum withstand glass thickness is 3- 10 mm, please make sure it matches your product when you buy it. Application: Suitable for indoor or outdoor, such as home, hotel, shop and office. Glass cabinet door, wood/ glass shelf, or other glass furniture in Kitchen, Bathroom or Toilet. Detail Processing: Surface fine finished, even more waterproof and rustproof, it feels smooth and doesnt hurt your hand. Polished chrome can build to resist daily scratches and corrosion. - Is your previous glass shelf support material strong? - Are the steps cumbersome when installing glass shelf support? Our glass clamp is made of zinc alloy, It is durable, reliable, long service life. All of it is easy to install, simple design and elegant appearance. No mounting screws or hardware are visible once installed and bring a refined sense to your home. Product Parameters: - Name: Glass Clamps - Material: Zinc Alloy - Maximum Acceptable Glass Thickness: 3-10 mm/ 0.4 inch - Main Color: Black Package Contents: 2 x Adjustable Glass Bracket 4 x Screws 4 x Expansion Tube Tips: 1. Our adjustable glass bracket are measured manually, there may be an error of 1-3 mm. 2. Our adjustable glass bracket is relatively hard, please do not put it in a place where children play when not in use to avoid screw injury or accidental eating