The threaded shafts are made of nylon material, ensuring excellent toughness and resistance to breakage. These shafts have undergone rigorous testing to ensure their durability and resistance to breakage. in accessories, they quality. The threaded design allows for easy installation and replacement. Features -Color:Black -Material:Nylon -Size:5.50X0.60X0.60cm/2.16X0.24X0.24in -Excellent toughness: made of nylon material, these shafts are highly resilient and not easily broken. - durability: rigorously tested to ensure long-lasting performance and resistance to breakage. -Abundant supply: each set contains enough shafts, meeting the demands of prolonged use. -Convenient installation: the threaded design allows for easy and installation and replacement. - Removing metal burrs and rounding the tip, keep your darts sharping, reduce bounce outs. Package list: Shafts