new with manual small damage bottom left corner does not affect its use-shown in pics

use 3 tbsp

International standard screws 1/4 interface

Shade material: White TC hardback

NEW JIN BD Wrist Trainer Ball Auto-Start Wrist Strengthener Gyroscopic Forearm Exerciser Gyro Ball for Strengthen Arms, Fingers, Wrist Bones and Muscles, Black Shipping delay Jan 26 - Feb 3 new with manual small damageNEW JIN BD Wrist Trainer Ball Auto Start Wrist Strengthener Gyroscopic Forearm Exerciser Gyro Ball for Strengthen Arms, Fingers, Wrist Bones and Muscles, Black Automatic start design, need to push the core in the direction of the arrow, start by the internal spring, very easy and convenient. When it rotates, the cool colored lights inside will light up. It can kill time and add fun while restoring muscle soreness. Without any strange vibrations, it