Feature:1. This leather cord knife tool can cut leather thread of about 2.5‑5.5mm.2. The rotating leather thread cutter has 3 detachable blades, which is convenient and practical.3. There are several different finished widths, so that the leather is cut from the blade into a thread.4. The incisive blade and comfortable handle make it easy to use even with the left hand.5. Handles that conform to human mechanics are comfortable to hold and easy to cut off the leather.Specification:Item Type: Leather Cord Knife ToolMaterial: ABSPurpose: Leather Thread CuttingSpecification: Approx. 155mm / 6.1inCutting Width: Approx. 2.5 ~ 5.5mm / 0.1 ~ 0.2inPitch Card Slot: Approx. 5mm / 0.2in3mm / 0.1inHow To Use:1. Use a round punch over 20mm to punch holes in the center of the leather.2. With the knife edge facing outward, push outward in a clockwise direction.3. After rotating for about one turn, you can pull the leather cord as shown in the figure.Package List:1 x Cutter3 x Blade4 x Fastening Ring