The core of the tongues is made of high-density and fine nylon multifilament, a high-density nylon multifilament with a three-core double weave, the top surface is made of an exclusive high-tech nanometre nylon with an ultra-thin coating that is more elastic and durable. Suitable for advanced and professional use. SKILLS: Resistant, good attack, good defence. Very high quality racket languages. 66mm / 200m The price includes factory delivery costs to Estonia. Fast delivery