Measurement Grip Mini-a device that helps you measure fish using your smartphone.Introducing fishing grip with measurment marker!!Attached the measurement marker on the fishing grip to use the Hapyson measurement application.Easy and quick to measure the size of fish caught and take photos at the same time. Then, can immediately start the next fishing.It's fun that people can be taken photos together with fish caught!!Can take good photos without putting fish caught on the ground.AccessoryCarabiner x 1pc.Max. Measurement Size Up to 50cm