Pencil Carpentry Corner Measure Contour Copier Precise Contour Scribing Tool With Lock An easier way to replicate a variety of shapes, great for tile bonding, laminate and carpet cutting, ceramic and tool mold making, pulley and pointer designs, can be used on both ends. Drawing is smoother on the pulley side, and more accurate and easier on the pointer side. The pen holder can be moved up and down for easy changing of styling tips. Easy to operate and can be adjusted with one hand. Hold the pencil in the middle and draw while pushing. It is easy to draw lines without making mistakes, and the tightness can be adjusted according to your needs. Especially suitable for drawing the contours of irregular and complex objects. Can be locked and fixed after each adjustment to ensure accuracy Adjustable pencil holder, can hold 2-12mm markers Material Abs, metal.