Adjustable Tennis Swing Corrector Wrist Band, Fits 11-37cm

Adjustable Tennis Swing Corrector Wrist Band, Fits 11-37cm Description

Tennis Dial Arm Strap Adjustable Training Wrist Band Tennis Swing Correct Exerciser
Features:
Correct the wrong movement of the wrist/upper arm hitting the ball.
Quick to form correct swing muscle memory.
Improve the stability of ball hitting.
Dial design to easily adjut and fits your upper arm/wrist well.
Easily attach to your tennis racket(not included).
Fits circumference from 11cm(4.3") to 37cm(14.6").
Specification:
Material: Polyester + SBR
Fits circumference: 11 - 37 cm / 4.3 - 14.6 in
Package size: 12 * 8 * 5 cm / 4.7 * 3.1 * 2.0 in
Package weight: approx. 47 g / 1.7 oz
Package List:
1* Training Band