Use the GRIPMASTER Hand Strengthener, for outstanding hand, wrist, and forearm strength, critical to climbers. The consistent ability to securely grasp & lock onto a crag or burr is essential. No other hand exerciser on the planet can isolate and develop each finger individually like the patented GRIPMASTER. Using GRIPMASTER every day will build the finger strength, endurance, and dexterity so imperative to climbers at all levels. Rated the #1 hand exerciser in the world, and recommended by Climbing Magazine and Rock & Ice Magazine. Available in 3 strengths, please order by color; Blue - Light tension (5 lbs/finger), Red - Medium tension (7lbs/finger), Black - High tension (9lbs/finger). Each unit comes with a full exercise program. Patented.