The Lindam Sure Shut Orto is an automatic, self-closing gate that securely locks into place. This 4 point Pressure Fit – U shaped power frame provides solid pressure fitting and fits openings of 76cm to 82cm. For wider openings, it can be extended to up to 117cm with the use of separate extensions. It is important that you measure the opening of where you want to install your safety gate correctly. Always measure from the narrowest point, typically skirting to skirting. This safety gate can be opened with one hand and provides an extra wide walkthrough section.