Professional ruler for commercial or occasional use 24" stainless steel ruler 24" ruler graduated in both metric and imperial measurements Ideal for drawing arts and crafts Complete with conversion scales on both sides of the ruler Comes with a handy drilled hole at the top for neat storage Markings on both sides Manufactured from stainless steel for strength and durability Suitable for Schematic drawings / building plans etc... Photo etched markings so they wont rub off for long term use Comes in a protective carry case as well Total width of the ruler 30mm