Multifunction product can be used as not only exerciser pull but also wrist developer. Made of spring steel, durable, rustless, non-discolouring, strong flexibility and anti-deformation. With five detachable springs, you can remove or install spring according to your own need to adjust the tension. Lightweight and portable, convenient to carry anywhere. Perfect plastic handle design, safer and more comfortable when enjoying your exercise. Excellent tool for shoulder, arm, chest, back, wrist and other parts of body.