Made of quality zinc alloy, rust resistant, high hardness. Suitable for a variety of door panels. This latch bolt is more safe way to lock your doors and windows. Applicable to the security of home door and window. Fine workmanship, easy to install. Features -Color:Silver -Material:Zine-alloy -Size: About5.50X4.00X1.50cm/2.16X1.57X0.59in - Made of high-quality materials, it is strong and can be used for a long time. -This door latch lock has been treated with good craftsmanship and are available for your safe use. - Light weight and compact size, easy to carry and store. -The installation method is simple and won't take you too much time. -With classic colors and simple exterior design, it can match your different home decorations.