Specification Brand : NDNCZDHC BulletPoint1 : Sturdy Construction: The mini caliper is primarily made of plastic with a metal strip inside, offering strength and making it not easy to breakage. BulletPoint2 : Ideal for Small Items: A great tool for measuring the inner diameter, suitable for buttons, jewelry, and other round or small objects. BulletPoint3 : Non-Scratching Design: This vernier caliper is designed to avoid scratching the objects being measured, while its lightweight construction makes it easy to carry. BulletPoint4 : 2 Scale Design: Featuring a 2 scale design, this caliper measuring tool provides accurate and clear measurement data, allowing you to easily measure the depth, width, and length of internal sizes. BulletPoint5 : Wide Measurement Range: With a measurement range of approximately 0–5.9 inches, this plastic vernier caliper effectively meets a variety of measuring needs. IncludedComponents : No ItemName : NDNCZDHC 20Pcs Plastic Calipers 150mm Range Vernier Caliper Double Scale Caliper Measuring Tool for Student Office ItemPackageDimensions_Height : 7 centimeters ItemPackageDimensions_Length : 24 centimeters ItemPackageDimensions_Width : 16 centimeters ItemTypeKeyword : vernier-calipers Manufacturer : NDNCZDHC Material : Plastic MeasurementAccuracy : 0.1mm ModelNumber : NDNCZDHCogyw5k2vf3 NumberOfItems : 1 PartNumber : NDNCZDHCogyw5k2vf3 ProductDescription : Item Type: Caliper Material: ABS Measuring Range: Approx. 150mm/5.9in Measurement Accuracy: 0.05mm Unit: mm/in Applicable to: Students, Offices