Quilters, if you love Eleanor Burns' Log Cabin patterns, this ruler is a must-have companion tool. Specifically designed to work with the 6th Edition 'Make a Quilt in a Day' Log Cabin book (you'll need that book for the pattern), this ruler makes cutting your fabric strips a breeze. It's sized for 2-1/2\ center squares and logs, which will give you a finished block size of 14 inches. The idea is to cut all your pieces to the exact size needed so you can assembly-line sew your blocks quickly and accurately - no guessing or trimming as you go. If you're a fan of speedy, precise quilting, this ruler will save you tons of time and frustration. It's clear, easy to read, and durable. Just pair it with your rotary cutter and mat. Honestly, if you're tackling a Log Cabin quilt, this specialized ruler makes the whole process so much smoother. Check that you have the right book edition before purchasing!