Feature:1. Easy to use, convenient to open watch back case without scratches.2. Made of quality rubber material, durable and sturdy, having long service time.3. Lightweight and compact, convenient to carry with you.4. Mainly used for opening watch back case easily and efficiently.5. Unique screwing ball type design, inflatable ball, spacesaving and practical.Specification:Condition: Brand NewItem Type: Watch Back Case Opener Color: Black Material: Rubber Package List:1 x Watch Case Opener Note:1. This product can only be used by inflating air cylinder (the air cylinder can be used for playing leather ball, basketball or football). 2. Only applicable to the rotation type watch back case. 3. Please note that the new type and old type of this product will be sent randomly,and make sure you will not mind before ordering.