This mid-weight adapter system provides optimal weight balancing and positioning to enhance the players stroke and improve their game through proper movements and cue dellivery. Available in multiple thread pin types and finishes, and 2 sizes of adapter.Features:Black Anodized AluminumExtends cue length by 2.65 in.Increases cue weight by 2.2 ozFits Radial Butts and ShaftsAdded length to reduce need for bridge cue