1. Solid metal material: Hasp Lock is made of zinc alloy and iron, thickened and reinforced base, durable anti-theft lock core, surface electroplating process, smooth without burrs, rust, corrosion resistance, product quality guarantee and long service life. 2. Built-in lock cylinder buckle: Equipped with a hidden automatic button lock, it only needs to be rotated 90 degrees to lock, no additional lock is needed, which is very convenient. The edges of the padlock are very smooth and will not scratch your hands. 3. Hidden screw design: When using a key lock, its working method is similar to a conventional buckle lock. When the buckle is closed, it is in the locked position. The buckle can hide the 4 screws at the bottom, which can effectively prevent disassembly or theft, Safety can be improved. 4. Easy to install and use: First determine the installation position, then fix the screws at the screw holes, cover the lock buckle and rotate it 90 degrees to lock it. You can rotate the lock