The barbell is a pretty important bit of gym equipment to have in any gym. Having these on hand along with some weight plates means you can cover many exercises. You can tick the big three off your list with one of these. Squats, Bench-press and Deadlifts. It is one of the most used pieces of gym equipment in any weight training, power lifting, bodybuilding and weight lifting. The barbell is so frequently used that its dimensions have been standardized for competition lifting. You’ll need a barbell if you want to train the three main exercises of lifting, that is the squat, the deadlift and the bench press. A barbell is a metal bar that is able to be loaded with weights. When barbell training, one thing to keep in mind though, is some barbells already come in a pre-made weight and aren’t adjustable.