Aluminum scale that can measure smelt up to 16 cm

Aluminum 1mm thick scale for smelt.It can also measure 16 cm giga smelt.Deca character scale suitable for photography.Since there is a rise at the 0 position and the bottom, it is easy to hit the fish body and it is possible to measure accurately.Includes a powerful magnet releaser and carabiner.Ideal for small fish such as gobies and tanago as well as smelt.