Patient Roller helps easily transfer patients between slightly uneven surfaces (up to a 3' difference) with minimal effort. Trouble-free aluminum rollers with steel ball bearings assist with “no-lift” transfers. ** Reduce personnel back injuries with the use of this patient transfer device by eliminating the need for physical lifting of patients Easily slide the patient along the covered ball bearings to the position required Ships standard with one cover; cover is approx. 1/16″ thick electrolyte material.