Durable material Our ruler is made of 1 mm thick PP material for excellent durability and flexibility. High transparency and screen printing technology ensure clear and accurate markings for effortless application and precise results. Multipurpose ruler With millimeter and inch markings on the edges, this ruler serves not only as a music tool but also as a practical measuring instrument for daily use. Whether you need to measure small distances or perform simple calculations, this ruler delivers. Widely used The composer template measures 20.8 x 10.3 cm (8.2 x 4.1 inches) and covers a wide range of commonly used music symbols, including sequence numbers, key signs, rhythms, keys, temporary notation and a variety of other lines. It is lightweight and easy to maneuver, ideal for busy musicians. Beautiful and practical Our composer template is not only practical but also elegant. Its refined design and functionality make it an essential tool for composers, music teachers, students and anyone who loves music. Use scenarios - In composing or arranging sessions, use the template to position sequence numbers, key signs, rhythms and temporary notation directly on manuscripts for faster layout. - In lessons or rehearsals, use the ruler to measure small distances on scores or to mark pages, keeping your work tidy and precise. - During score preparation or printing, rely on the ruler for quick, accurate measurements and alignment of lines and symbols.