Convenient design that can easily copy any shape including irregular shapes, or it can line a profile exactly for woodworking or tiling or linoleum installation. Cross Surface Shape: Wide Contour Gauge for woodworking records the cross sectional shape of a surface with an enlarged gauge. Just tap the outline gauge on a shape. Copy the profile and cut to shape. A good helper for construction workers. Inches and Millimeters Measurements: 289,999.99mm measuring template, inch and centimeter graduations on strong and durable plastic body. Size mark on both sides is available. Design for winding pipes: The contour gauge shape duplicator tool, is designed for winding pipes, circular frames, conduits and many objects. Ideal for fixing tiles, laminate, carpets, dimensions, molding, etc. Gauge Eliminates Guessing: Measuring Laminate Wood Tile Marking DIY Tool can eliminate guessing of irregularly shaped dimensions. Product description Side line specifications: 1/16 '', 3/16 '', 5/16 '', 7/16 '', 1/8 '', 2/8 '', 3/8 '', 4 / 8 ''. Thickness: If you want to use the tool to draw the center line of the board, the thickness of the board should be less than 64mm.