The vernier caliper is widely used for measuring of tattoo, handicraft and jewels. It can measure inside, outside, depth and step size with two sets of jaws and the probe. It is great for measuring tattoo, jewelry or buttons. The plastic caliper will help you a lot, it is a good partner of measuring. Features - Color: Black - Material:Plastic - Size: about 21x7x0.1 - Display mode: mechanical - Measurement range: 150 (mm) - Measurement accuracy: 0.5 - Reading value: 0.5 (mm) - Index value: 0.5 - Range: 150 - Inner diameter probe: 8-12mm - Claw long: 10-15 mm - Depth lever: 150 - Made of strong plastic material, lightweight and durable for long time use. - It is practical and convenient to operate for you. - measurement, internal and external. - You can use the plastic caliper for step and depth measurements. - An tool for a broad range of industrial and individual applications. Package list: 4 x Vernier Calipers