SincereetaliCARBON STEEL MATERIAL: The tool is simple and easy to use, small and beautifully designed, high practicability. The compass is made of medium carbon steel, firm and durable. MEASUREMENT: High hardness, strong and durable, high cost performance, long service life, small size. The carbon steel divider is ideal for all kinds of measuring, notation and craft applications. COMPARE LENGTHS: The tool is excellent for marking the edges of your leather, comparing lengths or marking. Perfect for any leather experiments or leather edging projects ADJUSTABLE: Measure external and internal dimensions and measure the distance between points. The leather compass can adjust the width between the flat feet, so it is easy to use. Adjustable Spacing Compass for Leather Craft Rotary Tool Scriber DIY Edge Creaser Stitch Sewing Leather Metal Craft Marking Tools. SCOPE OF APPLICATION: The rotary compass is widely used in mechanical marking and leather manufacturing. Commonly used in leather goods, woodworking, metallurgy, engineering, decoration.