This Amtech folding ruler is 1 metre long and features both metric and imperial graduations. It is made from high-impact plastic and folds for easy storage. The ruler has clear, easy-to-read markings in black on a red background and extends to its full length via a rotating wheel. Dimensions when opened are 1000mm x 18mm x 5mm, and when folded, it measures 265mm x 37mm x 10mm. It is a durable and practical tool for measuring and marking.