Not all openings and doorways are straight, or consistent in size, with staircases being the main culprits. The Lindam Extending Metal Wall Fix Stair Gate is both versatile and stylish and is perfect for awkward sizes. It flexibly extends to fit narrow openings of 63.5cm, to wider openings of 102cm without the need for separate extensions. Everything you need is in the box! The wall fix fitting means it is the safest solution for use at the top of stairs. It is importamt that you measure the opening of where you want to install your safety gate correctly. Always measure from the narrowst point, typically skirting to skirting.