Bracket for Platform Crutch Attachment Masks 6 Standard 140 degree * Style:Left Ear 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 * Used for self inspection * The mirros is 2 1 2 x 3 1 2 and adjusts to any angle * Telescopic handle adjusts from 6 1 2 to 16 * Can easy be carried in pocket or purse * Please note that this item only works in conjunction with #1087A * The two items together will create the underarm crutch attachment * Cannot be used with the 1087C (bariatric size)