Thera Band Hand Exercise Ball XL Black Extra Firm Jobst Relief 30 40 Thigh Hi Wood base measures 7 wide 401010 Wood base measures 7 wide x 42 long and 1 1 4 thick * Height adjusts from 22 to 36 * Width adjusts from 16 to 24 * Handrail size: 1 1 2 * Requires only 14 of floor space when not in use * Comes with one stabilizing bar to lock parallel bars in open position * 72oz excluding batteries * Unit dimensions: 6 TheraBand© Hand Exercisers are specially formulated exercisers provided in a progressive sequence of five translucent colors and in two sizes *They're used for hand finger and forearm strengthening as well as hot and cold therapy *Progressive resistance in different levels of compression allow each exercise to be geared to the patient *Use the standard size hand exerciser for smaller hands and the extra large size for larger hands or for people who have limited hand mobility *Place a Hand Exerciser into the microwave or refrigerator for hot or cold use *Lbs of Force at 50% Compression: 17 lbs *Black XL