Features:Preferred Material: This ruler set is made of stainless iron material, which is not easy to damage or bend, and has a long service time.Easy to Carry: This ruler set has portable size and easy to carry, you can take it with you to any place to use.2 PCS A Set: This ruler set includes 2pcs rulers, the measuring ranges is 0-15mm, and can meet your different need.Precise Ruler Scale: The figures is accurate and clear on the ruler surface, and it is easy for you to read.Wide Applications: This ruler set can be used for the measurement of inner diameter, aperture measurement and so on.Specifications:Material: stainless ironMeasuring ranges: 0-15mmPrecisions: 0.1Package size: 170 * 40 * 40mm / 6.7 * 1.6 * .6inPackage weight: 25g / 0.9ouncePacking list:1 * Tapers Gage Set