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Name: 8-shaped arm booster Material: ABS case, NBR handle, imported piano spring steel inner core. Product Specification: 10kg, 15kg, 20kg Relevant notes: 10kg is suitable for beginners / young athletes / elderly people, while improving flexibility. 15 kg is suitable for the general population in good health. 20 kg is suitable for professional athletes or fitness people who have certain requirements for arm strength.
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🇺🇸 Ship from USA · On Agora since 2026
$30.00