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 iron  Measuring ranges: 0-15mm  Precisions: 0.1  Package size: 170 * 40 * 40mm / 6.7 * 1.6 * .6in  Package weight: 25g / 0.9ounce    Packing list:  1 * Tapers Gage Set