Using this mini wing divider, you can mark crease lines and measure spacings on your leather. Simply change the spacing by adjusting the pointer until you reach the required measurement, the grooves will help lock the pointer in place. This tool is made of stainless steel and can be used to measure distances or crease the edges of your leather up to 20mm wide.This tool can be used to measure internal and external dimensions and the spacing between two points. Additionally, you can use this tool to add crease lines along the edges of your leather to serve as a guide for your stitch punches, as well as draw curves and circles on your leather. This affordable yet handy tool is a great addition to your leathercraft toolkit.Approximate dimensions & product data:• Material: Stainless steel• Maximum open diameter: 20mm• Total length: 83mm• Weight: 18.6gThis listing is for the Type B Mini Wing Divider only. Other products and objects shown in the photos are for illustrative purposes only. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store