Stripology Squared has all of the features you love in the original Stripology ruler, and it will make 'squaring up' a breeze! The smaller size is easier to manipulate and is more portable so it is the perfect choice when travelling to classes and retreats. Follow the easy-to-read markings - squares for 5.1cm cuts, and stars for 2.5cm cuts - no math required! Stripology Squared includes markings to square up half-square triangles, quarter- slots are longer to accommodate larger blocks, it is the perfect choice for cutting wider fabrics.The rsquare triangles, and blocks up to 30cm . And, since theuler slides easily over the fabric until pressure is applied. Then, our exclusive gripper holds the fabric in place while cutting, eliminating slipping and miss-cuts! Dimensions of ruler are 37cm x 46cm .