The Maun Metal Safety Rule has a unique M profile which keeps the fingers well away from any knife edge when used for cutting or scoring card, etc. Manufactured from stainless steel for a long, corrosion-free life. With easy-to-read scale graduations. Lightweight and easy to handle, a durable alternative to plastic and wooden rulers. Ideal for everyday use in education, hobbies, craftwork and design. Made in England. Comes with a standard 12 months' warranty. Register your tool to extend this to 2 years. This Maun Metal Safety Rule features an imperial scale.