FastCap Third Hand Support System
From the Manufacturer:
If you ever wished you had an extra hand, here it is. Starting at 5-feet and reaching to 12 feet, the 3rd Hand provides support, brace, or clamp for whenever you might need an extra hand. Great for installing upper cabinets, crown molding, and window coverings. 3rd Hand supports drywall, plastic barriers, ceiling panels, and light fixtures.