The product is 2'5"-4' 1" QSR Sup Rod. Easy to use. The product is manufactured in China. Convenient quick support rod secures building materials to keep your hands free. Rotating body expands the rod, which locks tightly into place. Ideal for drywall, crown moldings, cabinets, dust barriers, tub surrounds, and heating and ventilation ducts. Adjustable rubber face holds the rod tight. Expands from 29-1/2 inches to 49 inches.