1 x Maun Metal Safety Rule Metric 300mm The Maun Metal Safety Rule has been crafted from high-quality stainless steel for a long, corrosion-free life. Easy-to-read scale graduations. Its M-shaped profile allows fingers to be positioned in the recessed area away from the cutting edge. Lightweight and easy to handle. A durable alternative to plastic and wooden rulers. Measuring, scoring and cutting. All done with safety in mind. Made in England. Standard 12 months' warranty. Register your tool to extend this to 2 years.