Finger Goniometer 6 Standard Weight Bars DonJoy's most comfortable lightest weight Parts are DEHP and DonJoy's most comfortable lightest weight lowest profile prefabricated knee osteoarthritis brace * Ideally suited for activities of daily living and sedentary lifestyles * Soft good product with single upright * * Upgraded materials make the bench stronger and sturdier 6 Standard 140 degree * Measures the range of motion of metacarpal phalangeal and interphalangeal joints * Head has two opposing scales marked in 5 degree increments * Features a linear scale in both inches and centimeters on arm * Deluxe model features a larger protractor head and full 180 degree scale for more accurate readings *