Abstract: A weighted jump rope for use by a person in an exercise routine which comprises a length of swingable rope, a pair of spaced apart handles, one handle on each opposed end of the length of swingable rope, each of the handles having a grip adapted for use by a person to swing the rope, and one or more weight elements removably secured on each handle, and a movable counterweight secured on the length of rope spaced apart from the handles for varying the swing of the rope. The invention includes a novel ball lock adapted to removable secure the weights on the handle and a snaphook assembly device for quickly attaching and detaching the rope from the handles when replacing or shortening the rope.