This Small Folding Ruler Keyring is a compact and portable measuring tool, for active measurements with its convenient keychain designs. Crafted from ,this folding ruler features clear marking and a 10 fold designs,extending up to 0.5 meter (or 20 inches) for Multifunction use. Ideal for students,engineers,designers,and enthusiasts,it meets measurement needs with ease and Precisions. Whether you're at homes ,outdoors,or in a professional setting,this ruler is for daily measurements, projects,and more. This Hand tool adds a splashing of color to your toolkit while ensuring you’re prepared for accurate measurements.