Constructed of high quality zinc alloy, resists daily scratches, rust and corrosion, sturdy and durable. Can be installed on all kinds of glass cabinet doors like cake cabinet doors and display cabinet doors, installed on glass doors in bathroom and office. Suitable for 5-7mm thick glass. Self-locking spring latch to maintain a 90 degree angle when the glass door is in the closed position. Screws, soft plastic pads are included. No need to drill a hole.