Wilson Intrigue Junior 21 Girls TNS RKT 3 1/2 WR180510U Tennis Racket. This Wilson tennis racket for girls is designed for learning the game and first training sessions. It's lightweight and easy to handle, making it easy to master the basics of tennis. The frame, made with AirLite Alloy technology (aluminum), combines low weight with durability, ensuring stability and comfort. C-Beam Technology increases the frame's stiffness, improving control and power. The model is pre-strung and supports easy maneuverability on the court. Technical data: Age: 5-6 years or height 104-117 cm Grip size: L0 (3 1/2 ) Material: aluminum Racket weight (unstrung): 171 g Racket length: 53.3 cm - 21” String pattern: 16x18 in Balance: 28 cm Head area: 613 cm² / 95 in² Grip: factory Factory-strung: yes