Feature●Rubber●Imported●【Package】300pcs O-rings+2AB thread apron tool, large quantities support long-term use and replacement.●【High Quality Rubber】Selected wear-resistant rubber, not easy to wear and tear, provide effective cushioning for darts.●【Function]】Keep the dart shaft firm, prevent the shaft from falling, and make the dart fly smooth and smooth.●【Size】diameter 4.5mm/0.18, suitable for aluminum or metal 2AB thread dart shaft, suitable for most darts.●【Easy to use】The rubber ring is used together with the 2BA rubber ring tool, which is convenient and quick.Description