Butterfly Tenergy 05FX - 2.1

TENERGY 05 FX combines High Tension technology with a version of Spring Sponge that produces a softer feeling and a straighter trajectory. It is the result of extensive research and one of many experiments carried out by the Butterfly Research Centre, its name deriving from pimples code 05. TENERGY 05 FX is the perfect solution for players who are seeking to play heavy topspin strokes, whilst maintaining control.