The pool cue tip tool includes Shaper, Scuffer, Aerator. It can hold chalk better and helps to avoid miscues. Made of brushed aluminum. Anti-skid design, the tool end screws off. SCUFF: The scuff side only need simply roughen up the surface of the tip. Chalk will adhere to the tip. For better ball control. TAPPER: The tapper is useful for contour the tip to the desired dome curvature. Just lightly scrape the tip using a rotating motion. AERATOR: The surface of the tip is new or compressed after, slightly break up it, the surface will hold more chalk.