Heavy-duty stainless steel- Made of high-quality stainless steel, the L-shaped door bolt is sturdy and durable, designed to secure both mother and child doors. It is a reliable solution for theft prevention and an essential accessory for homes, storefronts, and warehouses.Convenient installation- The double-door bolt is designed for easy installation, making it suitable for DIY enthusiasts and professional installers. The hidden design of the bolt makes it a perfect fit for large doors, adding an extra layer of security to your home or business.Versatile- The stainless steel door bolt is suitable for all types of doors, including wooden, metal, and PVC doors. The bolt's design enables it to be used for both indoor and outdoor applications, making it a versatile solution for securing your property.Smooth operation- The door bolt operates smoothly and without any creaking sound, ensuring that your actions go unnoticed by intruders. It is an excellent choice for those who prefer a quiet and effective locking mechanism for their doors.Value for money- The door bolt offers excellent value for money, providing a reliable and affordable way to secure your home or business. This product is a must-have for anyone looking for durable, easy-to-install, and versatile door bolts that offer peace of mind and security.Color: SilverSize: 1: 6 inches, 2: 8 inches, 3: 10 inches, 4: 12 inchesMaterial: 1: 201 stainless steel, 2: 304 stainless steelPacking ratio: 1pc*bolt lock",