Adjustable Heavy Hand Grip StrengthenerBoost your grip strength and forearm endurance with the Synergy Fitness Pro Adjustable Heavy Hand Grip Strengthener. Featuring a wide resistance range from 5 to 165kg, this versatile trainer is perfect for enhancing grip, finger, and forearm strength. Adjustable resistance from 5 to 165kg for customizable workouts Durable steel spring construction for reliable performance Ergonomic handles for a comfortable grip Ideal for improving hand strength,
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