A wide long measure with a width of 6 cm and a length of 105 cm, which supports measurement of various fish species. It has a large and easy-to-see scale design that can accurately measure up to 1 mm units and is firmly captured even when taking a picture. A foldable vertical pillar that can be stored compactly. With a carabiner that is convenient for carrying. It can be attached to various places such as bags, life jacket D cans, and belt loops.