ProArm Grip Strengthener
$49.99
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Product information: Color classification: Large spring [adjustable strength 7-70kg], small spring [adjustable strength 18-118kg], double-layer spring [adjustable strength 25-180kg] Fitness effect: exercise arm muscles Feature: Double spring design Engineering handle Wrist trainer Detachable components Odor-free material Bold metal steel pipe Packing list: Arm force device*1
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