Head Extreme Jr 25 3 7/8 Green and Black Tennis Racket 230756 SC07. This Head kids' racket is perfect for recreational tennis. Damp+ technology absorbs shock. A 3/4-length zippered cover with an adjustable strap is included. Technical data: Age: 8-10 years or height 126-140 cm Handle size: L0 Material: aluminum Weight (unstrung): 240 g Racket length: 63.5 cm / 25 IN String pattern: 16x19 in Balance: 30.5 cm Head area: 680 cm² / 98 IN² Frame width (profile): 20 mm Grip: factory Factory stringed: yes 3/4 cover included: yes