These are for experienced players. The length of each racket is 675 mm and 3 U in weight. Frame is made of Nano Carbon and the shaft is made of High Modulus Graphite material. The shaft of these rackets is stiff, resulting in perfect shots to the preferred destination. These are adult rackets with a string tension of 24-30 lbs for greater performance during the tournament. Racket materials used provides greater strength and durability.