- Makes old-time wrist rollers obsolete, no more ropes and weight plates. Portable!
- Transform your grip and forearms and the rest of your arms with built-in variable resistance
- Knob at top of device provides suitable resistances for everyone
- 100% high quality anodized aluminum construction, making it long lasting, sweat and corrosion resistant
- Enhances athletic performance by improving control, endurance, and injury resilience in sports and weightlifting
- Improves general health plus everyday tasks like opening jars, carrying bags, and operating gripping tools
