The Graduated Sets of 3 sizes are great for those trying Oval-8 Finger Splints for the first time. Graduated Sets give you a good chance of finding the right fit for your finger condition now and you have extra sizes if swelling or temperature changes affect your finger. Use Oval-8 Finger Splints to treat Arthritis, Mallet Finger, Swan Neck and Boutonniere Injuries, Trigger Finger or Thumb, Hyper-flexible and Crooked Fingers. SIZING: Choosing the correct Oval-8 size can be affected by swelling, temperature and by how precisely the measurement is made. To choose a size likely to fit your finger, wrap a tailor?�?�?�s measuring tape around the finger joint you are treating. Pull lightly so the tape conforms smoothly around your finger. Use the sizing chart to find the size range closest to your measurement. You can also measure using a jeweler?�?�?�s ring sizer placed around the joint you are treating or with the Oval-8 Sizing Guide. Oval-8 sizes are precisely calibrated. The difference in circumference from one size to the next is only 1/16?�?�?� to 1/8?�?�?� and can be affected by minor swelling or by how the splint is worn. The sizing method described is not guaranteed to be 100% accurate for all fingers. Oval-8 Finger Splints may need to be adjusted by a healthcare provider trained in fitting splints for the most successful treatment. NOTE: Oval-8 Finger Splints are not recommended for children under the age of 4 as they may cause choking if swallowed. Do not use an Oval-8 over an open sore or wound. Wait until any significant swelling has subsided before wearing an Oval-8 Finger Splint. It is recommended that you discuss use of this splint with your health care provider.