Irregular Shape Profile Ruler Gauge, Contour Duplicator, Profile Gauge, Curvature Scale, Tiling Laminate General ToolsFeature: Self-locking contour gauge, the shape can be fixed or unlocked by flipping the switch. It is suitable for the measurement of various irregular objects, or corners and other places where the measurement is not easy. Drag the ends to avoid pushing out when taking shape. Easy to carry and easy to use.Friendly Tips: 1.Please kindly allow 2-3% difference according to manual measurement. 2.Please check the measurement chart before you buy the item. (1inch=2.54cm) 3.Please note that slight difference should be acceptable due to the light and screen.Thanks.Specifications: Material: ABS Pattern Type: Patchwork Style: MeasurementSmall Size: 14610526 mm/5.754.131.02 inches Measuring Range: 0-120 mm/0-4.7 inches Scope: 0-120 mm/0-4.7 inches Middle Size: 165105 mm/6.54.1 inches Measuring range: 0-150 mm/0-5.9 inches Scope: 0-150 mm/0-5.9 inchesPackage Contents: 1 X Irregular Shaper ScalePromise: If the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.