LAPO premium mortise door handle lock for main door is crafted using durable zinc material ensuring strong construction and dependable long-term performance. The handle assembly is tested for more than 300,000 cycles delivering consistent functionality and extended service life. It supports 30–50mm door thickness with compatibility for both left and right opening installations. The internal mechanism is engineered for refined movement ensuring a smooth and silent locking experience. Quality checked before dispatch, each unit undergoes strict inspection to maintain finish accuracy and reliable functionality. Comes with complete installation components, 3 computerized brass keys, and fast customer support backed by 3 years warranty.