A barbell system for enhancing weight lifting exercises is described. The barbell system includes an elongated barbell comprising a first end and a second end. Weights are provided for placing symmetrically on the first end and the second end. A locking device is provided for securing the weights to the bar wherein the locking device has a split collar capable of receiving the elongated bar therein; and a locking device capable of drawing the split collar into engaging relationship with the elongate barbell.