Function: 1 Made of high quality stainless steel material, will not rust, very long service life 2. Perfect for precise reproductions of diameter and contours, sculpting outline, measuring and splitting lines, marking parts or marking distance only 3. The steel wing divider is convenient, accurate, fast and practical, which can greatly help in daily life 4. This is a corn gauge, which allows for accurate measurements and is a very useful tool for craftsmen and student carpenters. 5 Use to draw steel circles like steel, plastic, wood, leather, groove and edge drawings Instructions: 1. The fixed wing makes it easy to fix the size, and the screws will not loosen and is not easy to offset the tip of the pitch. 2. Turn the screws to adjust the desired width and adjust the spacing. Spacing and leather surface are 30 degrees for marking. Specifications: Item Type: Steel Wing Dividers Material: Stainless Steel Specifications: Approx. 0-125mm / 0-4.9in (manual measurement error is allowed) Type: Cone Gauge Purpose: Steel, Plastic, Wood, Leather, Digging Grooves, Boundaries Package List: 1 x Steel Wing Divider