Combination Size Of Tennis Ball Set: Adjustable 2 Gears, Minimum 155cm, Maximum 168cm

Upper Tube: φ 22*0.8mm

Lower Tube: φ 25*0.8mm

Tennis Racket: 18.5 * 37cm

All Iron Pipes Are Baked With Paint

Drop Ball: Yellow Tennis Ball φ 63mm+Rope Length 110cm

Packaging: One Set Into One Color Box