Digital Grip Dynamometer [Jammer Type] MG-4800 8-2370-01

*This product is for business use* Quantity: 1 Not only can it be used to measure grip strength, but it also has the function of being used for training to count the number of times and strength. It can display the number of times you have gripped, the average grip strength, value measurements, etc. By replacing the spring (three types: red, green, and blue), the measurement range can be changed to three levels.