[Easy to Operate] Adjustable with one hand. Fix the pencil in the centre and draw as you push. Easy to draw lines without mistakes. [Adjustable and Lockable] Looseness and tightness can be adjusted according to your needs. Our contour gauge is especially suitable for drawing the of irregular and complex objects. It can be locked and fixed after each adjustment to accuracy, and the adjustable pen holder can hold 7mm Pencil. [ Aluminium Alloy] The contour scribe tool is made of aluminium alloy with steel roller bearings, and the length is extended to 300mm, making it more widely used. [ Contour Marker] Pulley and pointer design for both ends. 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 modelling end. [Widely Used] The contour scribe tool is a simpler tool for replicating a variety of shapes, perfect for tile bonding, laminating and carpet cutting, ceramic and tool mould making and more., Manufacturer: Ounfhtrttk