Tecnifibre 4S 200m

A polyester string with a square profile that gives the most spin in its range. It is for very good, demanding players who want spin and for rackets over 300 g. The base is co-polyester, and Thermocore keeps the monofilament flexible, which is easier on the arm. Tension 22 to 25 kg, up to 32. Gauges 1.20, 1.25 and 1.30 mm, produced in France and wound on a 200 m reel.