Made of zinc alloy material, strong and durable enough to use. These adjustable glass clips is suitable for 8mm-10mm thick glass, easy to install and simple to use, save you time and effort. These glass clips are perfect for home, office, school, practical and durable. Features -Color:Silver -Material:Zinc alloy -Size:5.30X2.60X1.50cm/2.08X1.02X0.59in -Note: Suitable for the 8-10mm thick glass. -The heavy duty glass clamp that made of zinc alloy will remain its best look for a long time. -It is easy and quick to install, allow you to decorate your room space according to your actual needs. -Efficient and practical, make your glass shelf look clean and tidy, and provide a comfortable working space. -This heavy duty glass clamp is perfect for most glass shelves, work great for displaying, organizing and showing off. -Adjustable design, easy to use, flexible and excellent, useful and reliable for fixing and supporting use. Package list: 4 x Glass Clamps 4 x Screws 4 x Expansion Bolts