The vernier caliper is constructed with premium ABS material and slide rule. It is manufactured with only under precise factory conditions to ensure precision and durability. Features - Color: Black - Material: ABS - Size: 21.00X7.00X0.10cm/8.25X2.75X0.04inch. - This vernier caliper gauge is made of ABS, this vernier caliper is strong and non-magnetic, durable in use. - Caliper ruler features double scales design, there are both mm and inch scales on the vernier caliper, clear scales for easy reading. - Caliper ruler has small size and light weight, convenient to carry, you can simply keep it in your bag. - This is a vintage style sliding gauge vernier caliper ruler of beautiful appearance. for jewelers and model making. - With high precision, it would be a great measuring tool for your daily use. Package list: 5 x calipers