Suitable for those who want a combination of spin snapback and durability the tecnifibre pro red code wax is a monofilament tennis string featuring thermocore technology for increased flexibility and elasticity it is an official string of the atp world tour and guarantees maximum lubrication and less friction thanks to polyethylene wax impregnated into the polyester matrix the string comes in a 12m 32ft set perfect for re stringing one racket