Check the listing for details. CANDO Digi-Flex BLACK Hand and Finger Exercise System 9 lbs Resistance NON-LATEX. Condition: New. Listed at 19.99 USD. SHIPS THE SAME DAY with FAST FIRST CLASS USPS SHIPPING !!!BRAND NEW / NONE LATEX / VERY HEAVY RESISITANCE 9LBCANDO Digi-Flex BLACK Hand and Finger Exercise System CanDo Digi-FlexThese handheld finger exercisers are great for building hand strength or rehabilitating finger injuries. The ergonomic base is comfortable to workout with and promotes optimal positioning. It also distributes pressure evenly over the palm. A three-spring palm bar allows for gross grasp exercises.Exercise EffectivelyHand exercisers often have one component that compresses allowing the stronger fingers to do all of the work. The Digi-Flex unit has four individual finger pads that each compress by themselves. This lets each finger work and prevents stronger digits compensating for weaker ones which would inhibit recovery.Hand RehabilitationRehabbing hand and finger injuries with the right equipment can be difficult. Many devices allow for stronger fingers to compensate for injured ones and some have imperfections that prevent accurate evaluations. The springs in the Digi-Flex are calibrated for precise evaluations to measure and track progress.Features:Spring-based finger and hand exerciserFour finger pads strengthen each digit individuallyThe ergonomic base is easy to gripNon-latex handheld the unit