It is used to transfer markings from patterns onto fabric with or without tracing paper, this sewing tool also makes slotted perforations. 1.Useful tool for the leathercraft and sewing for overstitch marking/spacing. 2.Tracing wheel needle point style makes slotted perforations. 3.Used to trace a garment pattern. Package includes- 1 Pack x Plastic Handle Needle Point Tracing Wheel Kindly Remind- Keep the sharp wheel away from children. The color of the item may vary slightly due to photography and your own computer. There may be 1-2CM deviation due to the different measurement methods. this needle point tracing wheel is meticulously engineered to ensure that it does not cut through or pierce your leather and works when in use, it can ensure the trajectory depth of the sideline process and improve the sideline efficiency.Roulette tool is a must- have tool for copying drawings or alignment marks.Ergonomic handle design, more comfortable to hold, not only easy to use but also comfortable to hold, the gear adopts round wheel design so as to reduce friction during rolling and help save energy