Grip Strength Meter Matsumiya Medical Instruments Manufacturing Co., Ltd. Grip Strength Meter (Smedley) Simple operation has been confirmed, but a professional check has not been performed. There may be points that cannot be confirmed visually, such as missing, damaged, or worn internal parts. We cannot guarantee the operation even after confirming the operation. There is no box or instruction manual. Thank you for your understanding of home storage! #Matsumiya Medical Instruments Manufacturing Co., Ltd. #Retro #GripStrengthMeter Thank you for viewing.