Westcott 12″ Rolling Ruler – Draw Parallel Lines, Circles & Angles

Westcott 12″ Rolling Ruler – Multi-Function Precision Tool for Drafting & Design

Get smooth, repeatable results with the Westcott 12″ rolling ruler, an innovative tool that rolls across your page to help create perfectly parallel lines, angles, circles, and more.

• Rolls to draw consistent parallel lines—ideal for grids, floor plans, and illustrations

• Roll in arcs to build accurate circles and curves

• Integrated protractor markings make angle drawing quick and precise

• Great for crosshatching, perspective drawing, and technical layout work

• Lightweight and clear for full visibility of your workspace

• Perfect for artists, students, engineers, and architects

A must-have for anyone who values speed and accuracy in their linework—from studio pros to classroom creators.