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52 verified ratings
The spring is very ok
Nice one I like it
The product is good, especially if want to build your biceps ????
The springs are solid and firm. Excellent home workout tool for biceps, chest and back
Just good
If you're looking at building your chest and arm muscle (biceps) think of this multi functional spring.
The fact that it can stripped the calories off me am cool with it.
Perfect for its use
Just as the picture depicts it
A part of the device is actually broken and making it difficult to enjoy the device. Presently finding a way fix it.