Ronglv Men's Multi-functional Carbon Steel Spring Fitness Trainer

This Ronglv Men's Multi-functional Fitness Trainer is an all-in-one exercise tool, combining a carbon steel spring chest expander, hand grip strengthener, and wrist strengthener. Designed for men to build upper body strength and improve grip, this durable tool features a painted finish and comes in a color box.

category: Spring tensioner Resistance method: Elastic tube