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