Aluminum Material Classic Style About this item Durable and anti-corrosion material: Made of high-strength aluminum, resistant to corrosion. corrosion, lightweight and durable. For 10-12mm glass thickness: These glass clamps are suitable for 10-12mm thick glass cabinets. Carefully Crafted: Precision anti-slip screws with soft rubber granules for a better fit when rubbed against the glass. Easy to Install: Convenient to install, no need to drill a hole. Pack of 2 - Package includes 2 adjustable glass clamps.