[Material] The hidden sliding door lock is made of stainless steel material, which is sturdy and durable, rust proof and corrosion-resistant, with a smooth surface and a metallic color, and can be used for a long time. This door lock is made of rectangular solid stainless steel, and the lock core has been thickened to enhance strength and stability, improve safety performance, and provide strong protection for your safety. 【 Easy to Install 】 This door lock is easy to install and operate, just use a screwdriver and the screws in the set to fix the door lock in the corresponding position, which can save time and energy. Attention should be paid to the installation distance during installation. This hidden sliding lock is suitable for most doors and can be installed on daily doors such as wooden doors, stainless steel doors, sliding doors, etc. It can be used indoors or outdoors, making it your ideal choice. You will receive 2 sliding safety door screws, 1 locking buckle, and 4 mounting screws. No need to purchase additional parts, our matching parts can be installed and used directly.