The Wilson Revolve Twist tennis string is an impressive choice for big-hitting players seeking massive spin enhancement & added control to their playstyle. This monofilament string is designed from co-polymer & it's great for intermediate to advanced skill bracket & it allows for executing powerful strokes with complete confidence & accuracy. The string features a low-friction surface & a special 3 bump twist construction to create better snapback. The string is packed & supplied in a convenient 200m (660ft) reel.