WIDE PIPE SIZE COMPATIBILITY Works with pipe diameters ranging from 1.5 To 6 inches, suitable for both professional plumbing and home maintenance projects, a multi functional tool for pipe setup and Consistent various measuring devices EXACT ALIGNMENT & EFFICIENT USE Includes a straightforward rotating knob and built in bubble structure for clear calibration, along with a marking post for fast central positioning, ensuring accurate measurements with minimal effort Perfect for plumbing tools and measuring instruments ATTACHMENT DESIGN Features soft ends that securely link to various metal pipes, allowing effortless rotation and without repeated repositioning, significantly simplifying measurement tasks Ideal for pipe marking and alignment projects ERGONOMIC Y SHAPED HANDLE The 2.75 Inch Y type single piece frame fits comfortably in hand, reducing fatigue during prolonged use and enhancing efficiency in pipe fitting tasks Designed for extended measurement comfort REINFORCED ALUMINUM ALLOY CONSTRUCTION Made from strong aluminum alloy with anodized finish for rust resistant, wear proof durability, providing stable service even with heavy use Essential for high standard measuring tools, Manufacturer: NMFLAB