- Precise center marking tool for round tubes: designed to position the midline with accuracy, enabling welders, fitters, and manufacturers to mark exact centers for optimal alignment in metalworking and construction tasks - Robust aluminum alloy and iron construction: high-quality aluminum alloy combined with iron provides a durable, rust-resistant center finder for long-term performance under tough job-site conditions and heavy daily use - Versatile Y-shaped measurement design: intelligent Y-shaped construction fits a range of tube diameters and provides stable placement so professionals can quickly and reliably mark and measure tube centers during layout or installation - Multifunctional layout ruler: ideal for mechanical engineering, welding, construction, and plumbing; functions as both a pipe alignment tool and a layout ruler, saving time and increasing accuracy for any assembly or cutting task - Key benefits: accurate centering reduces misalignment, durable and corrosion-resistant, adaptable to multiple tube sizes, time-saving in layout and marking tasks, straightforward to use - Use scenarios: - Fabricating a pipe frame: mark the centerline on round tubing before welding to ensure joints align precisely - Installing pipework: quickly locate and mark centerlines for mounting brackets and straight runs - Workshop layout: use as a layout ruler to mark centerlines on multiple tubes for consistent cutting and assembly