This is the ZS-150 from ZS Armwrestling Equipment, a company that manufactures arm wrestling training equipment. This is a clone product of the GM150, which is world-renowned for grip strength certification and other achievements. The components used, including the measuring instrument, are almost identical to the GM150, and we measured equivalent values. Due to the impact of the Ukraine conflict, the original product is not being shipped from Russia, so this is a suitable alternative. *This is not a regularly stocked item, so the model available may change depending on the arrival time. Those who wish to purchase, please do so soon! *While there are no issues with use, please be aware that as this is an imported product, there may be minor scratches. [High-Precision Measurement] The ZS-150 is a grip strength meter that can measure up to 150kg. The digital display allows for instant confirmation of accurate values. [Durability and Design] Features a non-slip grip. Combines ease of use with durability. [Ideal for Training] By measuring grip strength, you can confirm the effectiveness of your training and improve your fitness and sports performance. - Model Number: ZS-150 - Color: Silver - Maximum Measurement Weight: 150kg - Purpose: Grip Strength Meter [Wrist and Forearm Training Equipment Lineup] #Haruru's Wrist and Forearm Training Equipment [Arm Wrestling Equipment Lineup] #Haruru's Arm Wrestling