- Function and value: Multifunctional stainless steel ruler for measuring, marking out, and laying out tasks, consolidating multiple layout tools into one instrument. - Benefits: Durable stainless steel construction provides long-term accuracy and corrosion resistance; versatile compatibility speeds up layout work by using a single tool with several standard gauges. - Compatibility: This measuring ruler can be used for Outside Tri-Square, Inside Tri-Square, Mitre Square, Spirit Level, 45 degree Level, Plumb Level, Depth Gauge, Height Gauge and Marking Gauge. - Material: stainless steel - Applications: Suitable for carpentry, woodworking, cabinetry, metalworking and general construction tasks. - Size: not specified in the original description Use scenarios - Carpentry: Use with Outside or Inside Tri-Square to verify 90-degree joints and mark cut lines accurately. - Metalworking: Align with a Mitre Square and check level with a Spirit Level while marking holes or layout lines with the Marking Gauge. - Cabinetry or construction: Measure depths and heights with Depth Gauge and Height Gauge to lay out precise cutouts and elevations. This description preserves the original specifications and functions while presenting clear, customer-focused benefits and practical examples.