Description: Fixed line drawing is not in good position: Fixed pen in the middle, push and draw at the same time The shape finder has a roller on one end and a pointer on the other, both of which can be used to take shapes. The chuck can move up and down in the middle to facilitate replacement of the deformed end. Suitable for: floor laying, carpet cutting, tile shaping, tool shaping High-quality frame, High-quality wheel bearings, length extended to 300mm, application range.The minimum distance between the tip and the pen tip is 45mm, Manufacturer: Sankaka