Fit for Double Doors: This patio door lock is designed to fit securely over two horizontal handles, making it the perfect security upgrade for double doors commonly found on patios, French doors, and conservatories. Compatible with most standard-sized handles. Secure Clip Locking with Button Release: Features a simple two-part clip-together mechanism that locks into place over door handles. Unlocking is just as easy, simply slide the black button seen in product images to remove the lock. No tools, drilling, or keys required. Fits Most Horizontal Handle Designs: The 30mm diameter steel tubes are designed to slide over a wide range of horizontal handle sizes and styles, offering a truly universal fit. This makes the lock ideal for residential doors where handle measurements can vary. Quick to Install and Remove When Needed: No permanent installation is needed. The patio lock bar can be applied or removed in seconds, making it perfect for daily use or for when extra security is only temporarily needed, such as during holidays or at night. Built from Durable Powder-Coated Steel: Crafted from strong, powder-coated steel to ensure long-term durability and resistance to rust or wear. This lock bar adds a highly visible and physical deterrent to intruders, enhancing your peace of mind instantly., Weight: 1.10231131 pounds, Manufacturer: Howsehold