- Multi-functional carpentry measuring tool for convenient and accurate measurement of transfer angles, contours, and irregular items. - Two fixed locks securely hold the measured shape and transfer the outline to other surfaces. - Made of ABS material with high strength and rust resistance for long-term use. - High-definition cutting line offers high accuracy and easy readability, suitable for carpentry tasks. - Designed for measuring irregular items such as winding tubes, round frames, pipes, and similar shapes. - Scales in both inches and centimeters, suitable for assembling tiles, floors, carpets, and related work. use scenarios: - Trace and transfer a curved cabinet or furniture template to another piece of material for precise cutting. - Copy the contour of a pipe or tube to create a matching component or bracket. - Lay out irregular shapes for tile or carpet installation by tracing and transferring the pattern to the material.