Precision spring-tempered stainless steel pocket rule designed for durability and accurate measurements. Features a 12 mm wide blade with a smooth sliding depth gauge for quick and reliable depth readings, plus a sturdy pocket clip for secure, convenient carry. The reverse side includes a clear inch-to-millimetre conversion table for fast reference, helping you switch units effortlessly on the job or in the workshop. Ideal for engineers, machinists, DIY enthusiasts, and professionals who demand accuracy and portability in one compact tool.