Brand new, unused! I opened it for the photos and noticed a mark, please check the images. The outer packaging has some wrinkles due to home storage, please understand. • Load Adjustment Function: Easily adjust the resistance from 5kg to a maximum of 60kg by turning the knob. Suitable for a wide range of users, from beginners to advanced users, and for rehabilitation purposes. • High-Quality Design: A simple and modern design with a white base. • Uses: Grip strength training, finger and forearm training, rehabilitation, stress relief, improved sports performance, etc. How to Use 1. Rotate the load adjustment knob (the part labeled "60KG" to "5KG" in the photo) to set your desired resistance. 2. You can check the number of grips with the digital counter at the bottom of the main unit.