The Multi-purpose Rolling Ruler is your all-in-one tool. Works as a parallel ruler, metric or inches ruler, protractor, triangle, compass, zigzag
Art Alternatives - Plastic 12 Triangular Scale - Architecture
Ruling Tools
Pacific Arc Rolling Ruler 12 inches Parallel Rolling Ruler : : Office Products
Pacific Arc Stainless Steel Ruler Inch and Metric, with 32nd and 64th Graduations, 6 Inches
Architects Corner Los Angeles. Alumicolor Engineering Scales
Pacific Arc Stainless-Steel Cork-Back Ruler - 12
Ruling Tools
Pacific Arc Stainless Steel Ruler with Inch and Metric Graduations Cork Back, Rubber Back
This 12 rolling ruler makes it easy to draw horizontal parallel lines by drawing a line along straight edge and rolling ruler downward to desired space to repeat drawing line. Circles up to 24 diameter can be made by rolling the ruler in an arc. Great for drawing angles and crosshatching.
Westcott 12 Rolling Ruler, Clear (ROL-12)
This 12 rolling ruler makes it easy to draw horizontal parallel lines by drawing a line along straight edge and rolling ruler downward to desired space to repeat drawing line. Circles up to 24 diameter can be made by rolling the ruler in an arc. Great for drawing angles and crosshatching.
Westcott 12 Rolling Ruler, Clear (ROL-12)
Pacific Arc Stainless Steel 6 Inch Metal Ruler Non-Slip Cork Back, with Inch and Metric Graduations : Tools & Home Improvement
Can be used as a parallel straghtedge, protractor, T-square and compass. Draw circles up to 16 diameter at 1/2 intervals. Draw and measure angles in 1 degree increments. Aluminnum roller bar for smooth-gliding action. Non-skid rubber rings for a firm grip on any surface. Three sides with 1/16 graduated edges.
Pacific Arc Professional Multi-Purpose Rolling Ruler - 12