Feature: 1. Used to mark diameters and contours, measure and divide lines, and is a practical tool for woodworking and leather work. 2. Made of stainless steel, smooth and corrosion‑resistant, not easy to rust after long‑term use. 3. The compass has fixed wing, which is easy to fix the size, the screw is not loosened, and the pitch tip is not easy to shift. 4. Rotate the screw to adjust to the required width, adjust the spacing, and the spacing and the leather surface at 30° to mark the line. 5. The compass can be used to draw circles on thin metal materials or to dig grooves and draw edges on leather. Specification: Item Type: Wing Compass Caliper Material: Stainless steel Specification: Approx. 0-150mm / 0-5.9in (there is error in manual measurement) Type: Cone gauge Measuring Range: Cone gauge Purpose: Used when drawing a circle of steel materials such as steel, plastic and wood, leather, digging grooves, and drawing borders. Package List: 1 x Wing Compass Caliper