ULTRA-SPIN Pro Diabolo String 25m Reel (Choice of Colors) Performance, High Speed Diablo String for all Diabolos. (Black/Yellow) Flames N Games 25m Reel of ULTRA-SPIN Pro Performance, High Speed Diabolo String. 25m reel of Diabolo String suitable for any type of Diabolo hand sticks! Comes in a variety of bright, eye-catching colors. Top quality high speed diabolo string! Our ultra smooth replacement diablo string is an excellent choice for any diaboloist! **Check out our FLAMES 'N GAMES Amazon store listings for other Diabolo Deals & special offers!**