8.5cm easy install baby safety gate extension only. Safe & Protect Wood and Metal Safety Gate. Extend the width of your Safe & Protect Wood/Metal safety gate to an additional 8.5 cm. It is easy to install without the need for tools and can be used in conjunction with the 17 cm extension available for this gate. Why you will love the Safe & Protect gate extension: PRACTICAL: this Safe & Protect safety gate extension is easy to install without the need for tools. It fixes to the wall using a pressure-fit system. EXTRA WIDE: this extension can be used in conjunction with another 8.5 or 17 cm extension to fit gaps up to 132.5 cm. SPECIFIC: this extension is designed to fit the Badabulle Safe & Protect Wood/Metal safety gate only.