LAPO main door mortise lock set is crafted using strong zinc material ensuring durable build quality and dependable security. The handle set is tested for more than 300,000 cycles delivering long-lasting and consistent performance. It supports 30–50mm door thickness with left and right hand opening compatibility for easy and flexible installation. Smooth and silent operation ensures a noise-free locking experience suitable for residential and commercial use. Quality checked before dispatch, every unit is inspected for precise finish and reliable component performance. Comes with complete installation components, 3 computerized brass keys, and fast customer support backed by 3 years warranty.