CanDo Handweb is great for tennis elbow. Use to strengthen digit and forearm extensors, for intrinsic hand strengthening exercises, muscle re-education for thumbs, and to restore dynamic thumb stabilization. Exercisers are available in 5 progressive color-coded levels of resistance. From lightest to heaviest Color: Green Dimension: 3 Length X 3 Width X 0.2 Height
CanDo Handweb 10-0063 Extension Exerciser - Green is nice product, although it costs just 17.05! I recommend you buying this at 123Greetings.com, you won't regret it!