This Is Suitable for Your. Click Here to Ensure Compatibility. of This Product With Your Model. Mtric Scale: Length: 30 Cm. Includes 6 Commonly Used Scales: 1:20, 1:25, 1:50, 1:75, 1: 100, 1: 125. 6 Rules In One. No Need to Waste Time Figuring Out How to Measure Each Increment. Laser Engraved Marking: The Markings On The Ruler Are Laser Engraved for A Perfect Definition. Very Fast And Easy Reading Without Error. These Markings Will Never Fade Or Smudge So You Can Always See Every Increment Clearly. Aluminum Made of High Quality Anodized Aluminum, Corrosion Resistant, Durable And Lightweight, Does Not Warp Easily. Edges Are Chamfered, No Accidental Cuts. - - -. Precision: Sharp Graduations And Precise Markings for Supreme Precision Make The Ruler Professional. A Perfect Measuring Tool for Any Architect, Writer, Engineer, Teacher Or Student. See More Details.