The advent asr 300 precision steel rule measures 12 300mm in length, providing the perfect balance between portability and measuring capacity for everyday workshop tasks. This versatile mid length rule is ideal for general engineering work, metalworking projects, and a wide range of measuring applications where a 300mm reach offers optimal practicality. Manufactured from high quality stainless steel with permanently etched graduations, this rule is built to withstand the rigours of daily professional use whilst maintaining clear, accurate markings. The dual sided design features metric measurements on one side and imperial on the other, enabling seamless switching between measurement systems. Meeting class ii accuracy standards, this 12 inch rule provides the precision and reliability that trade professionals demand for quality workmanship. Features and benefits bull 12 300mm length ideal for versatile measuring tasks bull robust stainless steel construction bull permanently etched graduations ensure lasting clarity bull metric and imperial markings on dual sides bull class ii accuracy for professional precision specifications length mm 300 length in 12 metric imperial metric imperial