The Mitre Gauges are precision plastic cutting guides designed to help create clean, accurate 90-degree corners when fitting the Clipglaze secondary glazing system. Specifically developed for use with Clipglaze flexible edging, they ensure neat, consistent corner joints for a professional-quality finish. Ideal for both professional installers and DIY users, these durable mitre gauges simplify the cutting process, helping to improve accuracy and reduce waste during installation. Designed to work seamlessly with the Clipglaze system, they make it easier to achieve perfectly finished secondary glazing panels while ensuring a tidy, secure fit around window frames.