Introducing the Austyle Builders Choice Stepped Square Edge Door Knob in Matte Black by Superior Brass. This door knob boasts a sleek, modern style with its square edge design and 73mm backplate diameter. Constructed from durable zinc alloy with a concealed fix design, it effortlessly complements contemporary interiors. This door knob is designed to provide a smooth and effortless experience. For further inspiration for your next project, browse our stylish selection of door knobs.