The jammer arms for the Muscle Squad advanced trainer are a durable and adjustable strength training product made from cast iron, weighing 12kg each.Designed for semi-commercial use in the gym and training context, these jammer arms provide a sturdy and reliable option for those looking to enhance their strength and muscle building capabilities. With their brand reputation and specific focus on jammer arms, this product offers a unique and specialized addition to any home or commercial fitness setup. hardy use cost 250£ bargin
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