Lince Stainless Steel Mortice Lock - 25x20mm For Metal Doors & Security Profiles

This Lince mortice lock is all business when it comes to security. Made from solid stainless steel, it's built to handle the demands of metal doors and security profiles without rusting or corroding over time. The 25x20mm measurement refers to the backset and faceplate dimensions, so make sure that matches your door setup before ordering. Installation requires mortising (cutting) into the door edge, which gives it that clean, flush look rather than sticking out like some surface-mounted locks. The mechanism feels smooth and reliable - no jamming or sticking. It's definitely a professional-grade lock that's popular for commercial buildings, but works great for residential metal doors too if you want that extra security. The stainless steel construction means it'll hold up to weather and wear much better than cheaper materials. Just be aware you'll need the right tools and some carpentry skills to install it properly.