Use the Omnigrid Square Quilting Ruler Value Pack to cut strips and trim fabric edges during quilt making or when executing a variety of sewing and fabric craft projects. This pack includes 2.5 inches, 4.5 inches and 6.5 inches square quilting rulers. The Omnigrid 4.5-inch square comes with a 0.12-inch grid and its extra 0.5-inch width makes it a great template for 4-inch blocks while the 6.5-inch square has a 0.13-inch grid, which is a popular size for baby quilt blocks.