Material: Plastic PP Color: White / Blue / Orange Range: 0 - 80mm Function: Measuring depth, height and diameter Application: Jewelry measurement, school, exhibition gift, antique measurement Product Weight : 18 G / 0.63 Ounces Product Dimensions (L*W*H) : 106*44*16 MM / 4.17*1.73*0.63 Inches Package Weight : 18 G / 0.63 Ounces Package Dimensions (L*W*H) : 106*44*16 MM / 4.17*1.73*0.63 Inches Retail Packaging: No, No Packing Features: - Precision measuring instrument for delicate items, essential tool for jewelers. - Scale marked in Centimeter. - Vernier Design will measure inside and outside of object. - Ultra precision and effortless operation.