Single finger resisitance adjustable range: 4-7 pounds; Multi-color selectable.
The strength level can be adjusted freely and the strength for each finger can also be adjusted separately. Strength adjusted method: Open the rear cover, clockwise rotate the gear to increase the strength level of practice; otherwise, to decrease the strength level. The strength can be accurate adjusted via the strength scale. EHF is widely used as a auciliary trainers of playing all kinds of instruments, physical exercise, computer and precision work. Warm-up your hands and fingers before playing the instruments, improve your playing speed and sensitivity. Suitable for All-ages. Payment & Shipping 1. Items will be dispatched within 7 business days after payment received. 2. We Sell Worldwidely, except APO/FPO. Items are shipped by Airmail, reach most of countries within 10 to 20 business days. Delivery time depends on destination and other factors, it may takes up to 20 business days. 3. Import charges & taxes are NOT included in the item price. Customs clearance is your responsbilities. Returns & Feedback 1. We will refund the payment if you return the goods within 7 days for any reason. 2. Pls make sure the returned items are in their original conditions. We won’t be responsible for the accident if the goods is damaged or lost, so we can’t refund your full pay. 3. The buyers should be responsible for the return shipping fees. 4. Please leave positive feedback and 5 stars. If you have any problems with our items or services , please contact us firstly before you leave a feedback. We will do our best to solve the problems and provide you with the best customer services.