Truckers and receiving dockworkers will recognize these as improved load locks, but "3rd Hand HD" is a more apt name. Just about anywhere you need something held up, braced, or held in check, you can quickly lock a 3rd Hand HD in place to hold it. Obvious applications include installing upper cabinets, but since it will lock into position between surfaces from 5 to 12 feet (1-1/2 to 3-1/2 meters) apart, think of it as an instant post or beam. Temporarily hang tools, work lights, or cords just where you need them; corral that herd of 5-gallon buckets at the front of your pickup bed; even improvise a dust enclosure, shower booth, or photo backdrop with appropriate sheeting and the included curtain clip. 3rd Hand's 70-lb. (26 kg) capacity won't let you jack the barn back into plumb, but it's stronger than most kids and infinitely patient.