KickFire Diabolos Orange Crush Diabolo String, Nylon, Chinese YoYo Replacement String, Set of 5 Strings Strong as steel, 5 super smooth, slick strings for superior spin times, resists fraying, 6 ft. each Bright orange color makes string easy to see so you can master and perform tricks like a boss Comes with access to online video tutorial by ty the diabolo guy on how to properly size your string Customers say: best diabolo string, love the color, aptly named, nice and tight for great spin time Check out our full line of premium kick fire diabolos, choose from the comet, nova and super nova