Speedminton Junior Racquet Speedminton S-JR Racket  specifically designed for children between 6 and 12 years. Isometric racket head: increases the hitting surface on the racket. Short racket shaft: makes the racket easy to handle Weight: 160 grams, length 54 cm, string tension 12 kp, isometric racket head Made of hardened aluminum Designed for children between 6 and 12 years old Weighs less than a pound Short racquet shaft Isometric racquet head