Thank you for viewing this page. Instant purchase welcome! No prior comments are necessary. 〇 Made of thermoplastic elastomer 〇 Size: 15.5cm (length) x 10cm (width) 〇 Weight: 165g This is a training hand grip adjustable from 5kg to 60kg. The strength is easily adjusted by turning the knob at the tip. When using it to increase muscle strength, use a higher load; for improving endurance, use a lower load (with more repetitions) to suit your purpose. In addition to grip strength training, it is also suitable for improving endurance for those who play musical instruments or do a lot of manual work, as well as for rehabilitation. It is lightweight and compact, making it suitable for use on the go, such as when traveling or on business trips. * With counter display function