This Sew Easy Circle and Scallop Ruler is the perfect tool for drafting any size patchwork or applique pattern, as well as for enlarging and altering patterns. The 1/8-inch grid lines make it easy to draw parallel and perpendicular lines, whilst the 1/16-inch markings around the outer are for exact measurements and fine details.The ruler features scales with holes every inch for marking centres and drawing circles and scallops, with full instructions for use included on the back of the packaging.Size: 45.7 x 5 inches (18 x 2 inches)Features 1/8 inch grid lines to easily draw parallel lines and 1/16 inch markings for measurements and fine detailsIdeal for drafting, enlarging and altering patternsSew Easy Circle and Scallop Ruler