Largemouth Bass Ruler, 32" Fish Ruler Quick and Easy Weight Estimation for Largemouth Bass. Reduces Stress on a caught Fish, increasing survival rate. Long Lasing PVC Material. Rolls up quickly for easy storage. Deploys even quicker. Weight estimates are based on growth statistics of the largemouth bass. Make 90 degree fold at the "zero" line for nose bracket. 2015 ICAST Award Winner and MADE IN AMERICA