Shell material: A grade PC
Roller material: Zinc-alloy and a grade ABS
There is no any battery or electricity inside the device, it is powered by rotating the wrist, and the speed of rotation can reach over 13000 R. P. M
-Perfect exercise gadget for sports like golf, tennis, squash, cricket, baseball, bowling, basket ball, motocross, mountain climbing.
-Increase strength in fingers, wrists, hands, forearms, biceps, triceps, ligament and shoulders.
-Great benefit for musicians, guitarists, pianists, drummers.
-Rehabilitates sore muscles and joints.
Pls contact us to get more info.
Shenzhen Yaodong Industrial Co., Ltd is specialized in supplying and exporting of all kinds of light industry & daily use computer peripherals, digital products, video games and accessories, daily consumables products including razor blade which have many years experience in this field.
We do OEM designs, production, import & export services and technology support in one way. Our products are mainly exported to European countries, America, Australia and Asia. Our products are popular among buyers due to their good quality and competitive price.
We sincerely want to supply you with high quality products and perfect service based on our most efficient management and professional work teams.
