3" x 6" straight ruler. Anywhere you need a straight line, this is the ruler to use.

• 1/4" thick clear acrylic or 1/8" thick clear acrylic
• Engrave markings for easy to line up and consistent spacing
  
• Markings will not wear off
• Rounded edges
• Includes non-slip tape for additional resistance
• 1/4" thick can be used on longarm or domestic machine.  1/8" can be used on domestic machine with limited clearance behind ruler foot. (check out THIS YouTube video on this if you are unsure which thickness is best for you)