The thinnest string on the market, Aerosonic from Yonex features a "Compact Filled" construction. This new type of construction fills gaps between filaments with a resin. Thanks to the extra durability, Yonex has achieved a tiny 0.61mm gauge. Providing great repulsion power and an unbelievable hitting sound.
Construction: High-Intensity Nylon Multifilament, with braided outer coating.
Gauge: 0.61mm
Colour: White