This 10-Inch Square Omnigrip Ruler is a must-have for any sewing room. It is ideal for cutting your own 10-inch squares. Plus, it has 45 angle markings for half-square and quarter-square triangles.

Non-slip ruler designed for use with rotary cutters and straight edge blades.

• Size: 10 x 10 inches
• Right- and left-handed numbering system
• Diagonal line for triangle cuts
• Markings for half-square and quarter-square triangles
• Made in the USA