Well designed and sturdy, this Australian-made latch is manufactured from heavy-duty UV-resistant glass-fiber nylon. It is maintenance free and has a lifetime warranty. It uses a top-mount magnetic knob to open and close, and can be locked to secure the gate. For child safety, a minimum installed height of 60" is recommended. The latch is 3 1/2" (90mm) wide and 12 1/2" (320mm) high. Screws in the strike permit easy adjustment/alignment. Mounting screws, instructions and two keys are supplied.