Nielsen Products Shoulder Dolly 3500 Heavy Duty Pro Lift - Padded 2-Person Lifting and Moving System For Professional Movers, Delivery Teams, Industrial and Construction Workers KEEP ARMS AND HANDS FREE - The Shoulder Dolly recognized the need for your arms to be unconstrained. The need for stabilization, opening doors, and overall balance is all attained with the Shoulder Dolly. Allows for temporary use of one free hand. SAFELY LIFT AND MOVE - Ergonomically designed to promote and facilitate proper lifting techniques. The pro lift 3500 comes with padded shoulder straps and military grade metal hardware for worry-free, heavy lifting. REDUCE BACK PAIN - Back pain and strain is avoided by ensuring proper lifting techniques and utilizing the body's strongest muscles, the legs and torso. Padded vest increases comfort when moving and lifting. INCREDIBLE VERSATILITY - Due to the seemingly unlimited adjustability of the strap through the buckle, users can move and lift heavy, bulky objects easier than ever. pro lift specializes in the largest appliances, furniture, even hot tubs and other specialty items. ONE SIZE FITS ALL - Differences in the height of movers are overcome due to the adjustability of the webbing through the buckle. Shoulder harnesses completely adjustable for any user.