Titanium Rolling Measurement Ring, Curved Ruler

Product specifications:Product name: Titanium ring rulerStyle: Copper titanium, full titaniumCircumference: 10cmAccuracy: 0.01mmWeight: Full titanium version 12.3g; copper titanium 14.5gPacking list:Host*1Pendant rope*1

• 【PRECISION ENGRAVED CIRCULAR RULER】Fine scale markings are laser engraved around the compact circular body for clear reading and detailed measurement. This portable curved ruler combines a precision-machined structure with a pocket-size design for convenient everyday measuring and calculation.
• 【DUAL-SIDED SLIDE RULE DESIGN】Features two adjustable circular scales, with logarithmic ratios on one side and natural-number ratios on the other. Rotate the inner and outer rings to perform slide-rule calculations while keeping the measuring scales conveniently at your fingertips.
• 【STRAIGHT & CURVED MEASUREMENT】The rotating structure can be used for rolling measurement along compatible straight lines and irregular curves, providing a compact alternative to a conventional ruler for maps, drawings, plans, crafts and other measurement tasks.
• 【SMOOTH ROTATING FINGERTIP DESIGN】The solid circular construction provides smooth manual rotation for hands-on operation between measuring tasks. Its compact form combines the functionality of a circular slide rule and rotating measuring tool in one distinctive design.
• 【PORTABLE PENDANT-STYLE TOOL】Weighing approximately 120 g and supplied with a carrying cord, this compact circular ruler is easy to carry or hang with everyday gear. Suitable for educational demonstrations, drafting, construction reference and users interested in mechanical measuring tools.