Feature: 1.Material:Made from plastic,which is rustproof and lightweight. 2.Great tools for measuring small stuffs. 3.Marked in millimeters and inch.Measure depth,height,internal and external diameter. 4.Lightweight durable construction,use these smooth moving slider vernier for quick inside,outside,step and depth measurements. 5.Use:Suitable for:jewelry measurement, antiques measurement and industrial use. Specification: Product Name: Vernier Calipers Material: Plastic Accuracy: 1mm Measurement Range: 0-80mm(Pink Rose Red)/ 0-150mm(Green Blue) Total Length: (Approx. ) 107mm (Pink Rose Red) 210mm (Green Blue) Optional Color: Pink, Rose Red, Green, Blue Suitable for: Measuring depth, height and diameter Application: Jewelry measurement, school, exhibition gift, antique measurement. Quantity: 1pc Package Included: 1 x Calipers Note: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data.