Lanyard design: Provides convenient, hands carrying by fitting around the wrist. The attached rope keeps the darts sharpener within reach and makes it easy to stow away when not in use. Rapid sharpening performance: Triple VGrooves refine steeltip darts quickly and consistently, helping your darts reach a precise edge and be tournamentready fast. The ideal set for precision: Ensures steel tips are evenly sharpened to maximize accuracy and performance, suitable for dedicated players and competitive play. Easy to use: No special skills required. Insert the dull tip into the groove and rotate gently and evenly to achieve the desired sharpness. Ideal for quick touchups before and during competitions. Compatibility and usage scenarios: For standard steeltip darts at home: maintain sharp tips between practice sessions to keep performance consistent. Before and during tournaments: perform lastminute touchups to ensure darts perform at their under pressure. On the go (travel, clubs, or practice venues): keep darts sharp and ready wherever you play.