This Cue Cube Maintenance Kit comes with the Cue Cube Shaft Slicker and the Cue Cube Scuffer. The Cue Cube is used to shape and to scuff pool cue tips. The Shaft Slicker is used to burnish your shaft, making it smoother. The shaft slicker is used to burnish your shaft, giving it a polished look and feel and enabling it to slide smoothly through your fingers.