2 Types of gears: package includes 2 pieces tracing wheel sewing tools with different types of gears, which can meet different requirements of your sidelines or markings, you can choose the appropriate tracing wheel according to the thickness of the leather; Color: black and natural wood colors are provided, easy to distinguish and store Advantages: 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, good for transferring markings from pattern onto fabric with or without tracing paper Comfortable to use: the cylindrical handle of our serrated tracing wheel can reduce the pressure on the finger joints when rolling it, 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 Multiple use: our tracing wheel craft sewing tools work well on leather, paper and cloth, suitable to be applied for making industrial leather edges or hard paper leather edges, tracing, scribing, hand sewing, amateur drawing, marking, pattern making and so on Specifications: these leather paper cloth sewing overstitch wheel tools consist of stainless steel gear and wooden handle, constructed with precision to ensure that the wheel is sturdy during use thus delivering a precise, straight line every time, the stainless steel part is not easy to deform or bend; Size: the length of this wheel tool is 6.89/ 5.91 inches