Measurement Grip -a device that helps you measure fish using your smartphone.Measurement grip for big fish!Attached the measurement marker to the fishing grip that can hold big fish safely and surely.Can measure the size of fish caught taking photos at the same time.Can measure also the weight with installed spring balance.Accessories:Curl cord strap x 1pc, Carabiner x 1pc.Max.Measurement Size : Up to 1m.Max. Measurement Weight : Up to 18kg.