12 Pounds Spinning Burn Rotator Machine Forearm Trainer for Boxing With Counting

1. Function: Tighten abdominal muscles/exercise arm muscles/expand back muscles/enhance grip strength
2. One-touch resistance adjustment knob to adapt to different training stages
3. Intelligent digital display counting time, Type-C fast charging
4. Fine round edge technology, built-in wear-resistant ring, 360-degree rotation without cutting the arm
5. The thickness is only 22.5mm, ultra-thin size, does not affect the movement trajectory
6. Anti-slip knurled texture enhances palm grip and provides a comfortable grip
7. Reinforced screw rotation circle, tight connection, strong and durable, more secure to use
8. Extra long handle wheelbase, increased inner diameter rotation, diversified exercise
9. Material: high strength carbon steel
10. Weight: 8 lbs 3.6 kg, 10 lbs 4.3 kg, 12 lbs 5.2 kg

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