Utilizing GRIPMASTER each solitary day will assemble the finger electrical power, endurance, and dexterity so crucial to climbers at all ranges. Rated the #one hand exerciser in the globe, and suggested by Climbing Journal and Rock & Ice Journal. Accessible in a few strengths, please purchase by shade Blue - Light rigidity (5 lbs/finger), Pink - Medium rigidity (7lbs/finger), Black - Significant rigidity (9lbs/finger). Each and every solitary system arrives with a total working out program. Patented.