Features: 1. Quality stainless steel material, which is firm, corrosion-proof and has great hardness. 2. Mute lock bearing design, it has no noise, provides you with quiet using experience. 3. Strictly adopt multi-layer electroplating method, which has glossy surface, it won't fade and rust. 4. High density marble lock core with thickening lock tongue, it has long service life. 5. Ergonomic handle design, making it comfortable to grip. 6. Adopt anodized treatment, it is luxury and generous, which can be a nice decoration. 7. Comes with matching key. 8. Easy to install, no need to punch.   Solid Material Solid material, one step shaped handle without gaps and welding Silent Design Smooth opening and closing, with a door bumper wall protector We have registered the standard of CE certified,ISO19000,ISO14001 and UL certified.