The PowerWristor® construction is very durable, but yet lightweight for ease of use and portability. The stainless steel platform and handle is easy to clean and provides for a sturdy base of construction. The deep, thick polypropylene arm supports are easily adjustable for comfort and fit of most forearms. The sturdy foam hand grip is adjustable in 3 positions allowing hand/finger length adjustments. A range of motion indicator is lexon coated for protection and ease of cleaning. Resistance bands of varios sizes have a nylon braided outer surface isolating the cord from abrasions and reducing wear. All components are corrosion resistant under normal use. Rubber support feet provide table protection and grip under use.