The single oblique tongue lock body is a European standard mortise lock body designed for durable, smooth, and secure door locking performance in residential and commercial applications. Featuring a precision oblique tongue locking mechanism, this lock body provides reliable security, anti-tampering performance, and smooth operation during daily use. Manufactured with high-quality corrosion-resistant materials, it offers long-lasting durability and compatibility with various door handles, cylinders, and European door systems. Its standard dimensions allow easy installation, making the single oblique tongue lock body an ideal solution for apartments, offices, hotels, and modern interior door projects.