Roller design and double pointed end. For more accurate profile copying and convenient use at both ends. Decking boards can be etched to fit perfectly on uneven natural surfaces such as stones, steps, paving slabs or swimming pools and more. The roller end can help reduce friction loss to protect the surface of the item. Adjustable pencil holder, provides a range of tracing distances and fits any marker (2-12 mm). Super easy to use. Just attach the pen, then you can copy and trace at the same time. Extensive applications. Suitable for baseboards, worktops, end panels, laying tiles, laying laminate, cutting carpet, checking dimensions, molding and any job that requires contour duplication. Compact and durable, our Contour Gauge Profile Tool will not scratch the original finish of the shape being duplicated. Number of Shipments: 1 pcs