Adjustable & Lockable: Can be adjusted with one hand. Hold the pencil in the center and draw while pushing it. Looseness and tightness can be adjusted according to your needs. It can be locked and fixed after each adjustment to accurate . It is suitable for drawing the outline of irregular and complex objects Designed with Two Ends: Designed with both a pulley side and a pointer side, both ends can be used. Drawing is smoother on the pulley side and easier and more accurate on the pointer side. Pen holder can be moved up and down for easy change of modeling end Contour Scribe Tool: This Contour Scribe Tool is an to replicate a variety of shapes, perfect for tile installation, carpet cutting, laminate laying,as van conversion projects, flat product to complicated profiles, bath panel to a wall, filler panel between a kitchen base unit and the wall, mark off contoured cornice, and kitchen worktop, particularly for drawing the of irregular and complex objects Rustproof and Enduring: The Contour Gauge Tool is made of ABS plastic and metal, which is strong; rustproof; enduring and portable. It comes with an adjustable pen holder that can accommodate different sizes of markers (2-12 mm in diameter) Wide Application: This Profile Scribing Tool is used to locate or edges and transfer them accurately to the material to be cut. Widely used in woodworking workers, craftsmen, finish carpenter, construction, professional joiner ,architects, , and DIY Handymen., Weight: 0.39903669422 Pounds, Manufacturer: tiyao