Darts -200pcs Stem/Flights Darts Tip Rubber Seal O-Ring Seal Washer Black Grommet Highlights Generic Brand 200pcs Stem/Flights Darts Tip Rubber Seal O-Ring Seal Washer Black Grommet Description: High Quality Rubber O-Rings quality, non-slip and durable Prevent the shafts from coming loose from the darts body and keep them looking great For securing and clamping dart shafts easily and efficiently Works with 2BA aluminum dart shafts without worrying about tightening your shafts before each throw Improve your playing experience Specification: Material: Rubber Outer Diameter: 4mm/0.16inch Inner Diameter: 2mm/0.08inch Color: Black/Blue/Clear/Red (Optional) Package Include: Rubber Dart O-Rings, 200pcs Note: Please allow slight difference due to manual measurement.