You don't have to be a gym rat or a fitness freak to love Jun Hyun Kim's Bar&Dumbbell, but it would definitely help. The Bar&Dumbbell is a set of weights designed to be used on barbells and as dumbbells.
The Bar&Dumbbell is split into two pieces, one big and one small. The smaller piece has a handle built into it and can be detached from the larger weight and used as a barbell. This simple design lets you get double the use out of a single set of weights. Turning one weight into two would cut costs for small gym owners significantly. The Bar&Dumbbell could also encourage more people to work out at home, as it cuts costs and requires less space than a traditional set of barbells and dumbbells.