Specifications:

• Function: Comprehensive Fitness Exercise
• Function: to strengthen the body and exercise the flexibility of the fingers.
• Material: Iron Ball
• Model Number: Fishing Dart
• Origin: CN(Origin)
• Product material: Product material: bearing steel
• Product name: fitness ball, solid steel ball
• Product specifications: 55MM
• Product weight: Product weight: one 650g
• Suitable for the crowd: Suitable for the crowd: all fitness exercisers