Tool Shop 12 Inch Roller Ruler Graduated in Both Inch and Metric

Tool Shop 12 Inch Roller Ruler Graduated in Both Inch and Metric

• 12" high-impact plastic rolling ruler
• Graduated in both inch and metric
• Includes many useful formulas and conversion factors
• Also has a built-in protractor, and holes along the top to help draw parallel lines and ellipses
• Assorted colors: will arrive in clear, green, or blue

This easy-to-use instrument combines the function of a T-square triangle transparent straight edge and protractor in one. It rolls easily to make parallel lines but won't turn under accidental pressure. It features a durable clear acrylic with die-sunk graduations. The ruling edge in inches reads to 16ths.