- It is made of high quality metal alloy to ensure quality and service life.It is sturdy and durable.When the glass door is closed, the self-locking spring latch can maintain a 90 degree angle. < li> 2. No drilling, used for all kinds of glass cabinet doors, cake cabinet doors, display cabinet doors, shelves, wine cellars, display cases, cabinets, etc., moderate hardness, wear resistance, effectively protect glass damage, durable and long lasting. Scope of delivery: 1 pair of hinges