Product specifications: about 22cm long Product weight: about 230 grams Product use: Wrist accessories are placed on the ball to increase the torque, enhance the centrifugal force of the rotation, and increase the fun and coolness effect of the ball. Function: Installed on the wrist ball, change the torque, increase the rotation force of the wrist, generate centrifugal force Material: Soft adhesive color: black Package Contents: 2 x bracket (without ) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.