Sew Easy - Grading Circle and Scallop Ruler

• Perfect for drafting any size of patchwork or appliqué pattern and enlarging and altering patterns.
• 1/18th grid lines make it easy to draw parallel and perpendicular lines.
• 1/16th inch marking around outer edges for exact measurements and finest detail.
• Centering scales with holes every ½ inch for marking centres and drawing circles and scallops.