Features 1、Three‑purpose exercise, which integrates grip and pull, designed to enhance the strength of the wrist, shoulders, waist, and chest. 2、There are pedal tension, chest expansion, and grip strength, which can exercise the pectoralis major, deltoid muscle, biceps, forearm muscles, buttocks and other parts. 3、Removable design, strength can be adjusted by yourself, spring endurance is more than 30% strong than general products on the market. 4、The ergonomic handle protects the hands and prevents the hands from slipping during chest movements. 5、Suitable for men and women to exercise at home, office, school and gym, portable, convenient for carry. Item Type: Spring Exerciser Material: Plastic+Spring Steel Color: As Picture Shown Weight: Approx. 1124.0g/39.6oz Package List 1 x Pedal device(Detachable: 1 x Long Steel Tube, 2 x Pedal, 2 x Pedal Plug) 1 x Expander Handle(Detachable: 2 x Handle Grip, 1 x Short Steel Tube) 5 x Steel Spring