The Creative Grids Stripology Squared Quilt Ruler CGRGE2 is a clear ruler made by the brand Creative Grids in the United States. It is designed specifically for quilting, featuring the Stripology Squared feature for precise cutting and piecing of quilt blocks. With its innovative design and high-quality construction, this ruler is a must-have tool for any quilter looking to create accurately sized and perfectly aligned quilt blocks.