[VERSATILE MODULAR DESIGN] The flexible modular ruler offers various configurations for measuring needs, including side groove positioning and circular tasks. [ACCURACY POSITIONING] Ensure precision with the side groove positioning head, reducing mistakes and enhancing overall project quality. [DRAWING COMPASS] Double up as a drawing compass for creating accurate circles and arcs, simplifying tasks that need circular patterns. [ENHANCED USABILITY] User-friendly design with easy-to-read markings allows for efficient and comfortable performance, ideal for intricate work. [STURDY CONSTRUCTION] Constructed from premium aluminum alloy, this ruler is durable and stable, making it a reliable tool for long-lasting use., Manufacturer: Jelquix