Ruler
TOOL USED TO DRAW OR MEASURE DISTANCES ALONG A STRAIGHT LINE
Rulers; Rular; Rule (measurement tool); Folding ruler; Line gauge; 📏; Measuring stick; Carpenter's rule; Carpenter's ruler; Ruler (tool)
A ruler, sometimes called a rule or line gauge, is a device used in geometry and technical drawing, as well as the engineering and construction industries, to measure distances or draw straight lines.