[Material] - Made of zinc alloy, wear-resistant and durable. Applied to light doors, tool boxes, cabinets, etc. The details of the latch size are marked on the picture, please refer to the picture before purchasing. [Installation] - The installation hole diameter is 0.12 (3 mm), just screw it in, easy to install and maintain. It can be installed freely at different angles. [Easy to use] - The product consists of two parts, a main body with a spring pin and a metal head for fixing. Press the button and the pop-up window opens. [Package Content] - 1 x Bolt Latch (Mounting screws not included).