Features:Adjustable pen holder for any marker smaller than 7mm), so you can continue to use your favorite marker.Adjustable pencil holder to give a range of scribing distancesPrecision wheels are perfectly sized and have the smoothest rolling action to avoid damage to finished surfaces.Perfect for very complex silhouettes such as skirting, stone walls or lintel, ensuring a perfect fit every time.Made of high quality metal and plastic, durable and long service life.Suitable for floor laying, carpet cutting and ceramics.Specification:100% brand new with high qualityMaterial: PlasticSize:220*35*25mmPackage Included:1 xContour GaugeNote:.The colors may be a little difference for the different monitor display..Please check as much as possible to make sure the item is the one that you need..Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm).