Fangrui Product Details [multi-function Diy Adjustment]: This Scribe Tool Has Multiple Modes, You Can Change Its Shape According To Your Own Ideas To Achieve Multiple Functions. Just Change The Tightness Of The Nut And Rotate The Pencil Holder To The Proper Position, You Can Easily Use The Scribe Tool To Draw Precise Lines, Circles, Arcs, Contours Of Irregular Or Complex Objects Or Any Shape On The Surface. It Can Be Locked And Fixed After Each Adjustment To Ensure Precision Accuracy. It Is Very Convenient To Use. [wide Use]: The Fine Nib Design Of The Scribing Pencil Increases The Flexibility Of Scribing On A Variety Of Materials And Textures, Making It A Fit On A Variety Of Uneven Surfaces, For Drawing Very Complex Contours, Improving Accuracy. Sophisticated Design Allows It To Be Used In A Wide Variety Of Materials Including Cabinets, Carpets, Floors, Tiles , Gables ,home Diy Decoration, Etc. Its A Good Helper For You To Precisely Cut Around Skirting, Corners, Door Frames, Etc. [quality Is ]: It Is