Finger Strengthener,4 Tension Adjustable Hand Grip Exerciser Ergonomic, Ahf-03 Product Details Finger Strengthener,OIBTECH 4 Tension Adjustable Hand Grip Exerciser Ergonomic Silicone Trainer for Guitar,Piano,Trigger Finger Training, Arthritis Therapy and Grip, Rock climbing (AHF-03) GUARANTEED:OIBTECH 2 year warranty and friend customer service. All-in-one hand exerciser specifically design for many musical instrument. Also can be used for finger strength exercise in daily life. Safely and conveniently build strength, endurance, and flexibility and coordination, provides a complete strength training solution for fingers, hands, wrists, and forearms Individual finger tension is adjustable, the tension ranges from 4LB to 7LB. You can select different tensions for each finger, providing all-in-one hand fitness. Using silicone material, soft design, comfortable pressing, will not hurt your fingers. Durable, longer using time. Extremely portable design, you can carry it in your luggage, pocket, purse, handbag etc., strength your fingers at any time when you want. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.