LAPO heavy duty door locking system 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 dual side compatibility for both left and right opening doors. The internal mechanism ensures refined movement providing 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.