3M™ DuraPrep™ Remover Lotion, 4 ounce Bottle, 1 Case of 12 Ankle 6 Standard 140 degree * Instrument and Solution Stands 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 * A smart alternative to conventional weights these one size (4 prep film and other materials soluble in alcohol Wipes away quickly and easily in as little as 25 seconds