The Tecnifibre X-R3 1.30 tennis string has been designed to provide a perfect blend of power & control. This multifilament string composes of three monofilament cores, PU 400 inside & Elastyl fibres. The monofilament cores ensure a firm feel, more control & enhanced durability, the Elastyl micro fibre provides more power, while the Polyurethane 400 reduces shock & vibration. The Tecnifibre X-R3 has a 1.30mm gauge & is available in a 200m (656ft.) reel.