[Packaging contains] Single meter split, dual-measure separation, and replaceable drive shell. [High-quality] The scoring wheel set is made of high-quality carbonized steel, which is not easy to rust and wear, and has a long service life. [Wide-purpose] Single-meter wheel can make deep single-meter lines, which is very suitable for light-free materials, including paper and light card paper.It can also be used for labels, cards, gift boxes and acetic acid fiber.Two -measures can create two deep parallel score lines, suitable for coating or heavier materials, such as poster boards and cardboard. [Instructions for usage] Continue to press the convex block on the top of the driver's case.You can easily take pen tip and connect another.After the collision is loosened, it be connected to the driver's shell. [Our service] Please note that the scoring wheel set is only compatible with for Maker/Mker3.We want to give our customers a experience. Colour:As Shown Material:carbon steel Package Contents: 1set * for scoring wheel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.