Material】: High quality ABS plastic material with durable, flexible, high strength and anti-rust which can be used for a long time. Can do 0-120mm/0-4.7inch. 🍀🍀【Easy to Use】: The teeth are easy to move but not loose so press them against the project/contour you need then it retains the shape you did and just trace it. No battery needs or electricity just by your hands. 🍀🍀【Great Accuracy】: Clear marking with high definition laser cutting line, just read the dimension directly, no more extra tool helps. 🍀🍀【Application】: Perfect for odd/irregular shaped corners or anything that isn’t straight, like water and drain pipes, tile, carpenter, decoration or anything for cutting. Must have for any DIYer. 🍀🍀【User-Oriented Design】: It is simple but unique, it allows you to copy all irregular shape easy and quick with CM and Inch units, the whole works can be done yourself by hands.