brand new and high quality Features: Made of high quality material, strong, durable, wear resistance and serve you for a long for time. Designed for measuring diameter, roundness, taper, plane distance. Mainly used to measure internal dimension of work pieces by comparative method. Good guiding protective bridge design can be self-centering exactly and reliably The moveable anvil on one side and an interchangeable on the other side, which serves for setting the bore diameters. With high resolution and accuracy, easy to use. Comes with interchangeable alloy steel anvils. 3 optional types can be chose from to meet your needs. Specification: Material: Plastic, Metal Box size: app.37 x 14 x 6cm/14.57 x 5.51 x 2.36in Type: 01#: 18-35mm; 02#: 35-50mm; 03#: 50-160mm Accuracy: 0.01mm Color: Random Delivery (If you buy more than one, colors you receive will be same or different.) Quantity: 1 Set Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package contains: 1 x Dial Bore Gauge 1 x Guide Bridge 21 x Accessories