The Creative Grids Log Cabin Trim Tool Two Sewing and Quilting Ruler CGRJAW2 is a versatile and efficient tool designed for quilting enthusiasts. Made by the trusted brand Creative Grids, this ruler helps quilters easily trim and square up their log cabin blocks to create precise and perfect pieced quilts. With its innovative design and precise measurements, this ruler is a must-have for any quilter looking to elevate their projects and achieve professional results.