In order to take your dart game to the next level, the little things become the focus of your improvement. In order to maximize the perfect trajectory of your darts, minimizing movement is a crucial step. For dart shafts that are not fully secured to their barrels, they can become loose over time, and cause your flight path to wobble. This can throw off your aim and darts wont go where you intend them to. To prevent shafts from loosening, O-Rings are the perfect solution. These 2BA O-Rings simply slide onto the threads of your shaft and once you begin to tighten them, youll find a more secure fit. Youll find no need to retighten after just a few throws with O-Rings! This useful tool makes the application of O-Rings a breeze! It slides right onto your shaft so you can ensure a tight fit every time.FeaturesEnsure that your dart shafts never come loose when you use O-Rings.These essential pieces have never been easier to use with this applicator.A tight fitting shaft reduces wobbling and movement for a perfect flight path every time.Save your dart tips by using this applicator to attach O-Rings to your shafts.