Product parameters: Size: 30X 13X 7mm Weight: 760g Color: black, red, silver Material: ABS plastic carbon spring Purpose: pull it up Training the anterior chest muscles and upper body Features: ABS plastic spring steel wire, full tension and strong buckle Package contents: Dual-purpose rally * 1 br/> Product description: Multifunction: Perfect upper body trainer, exercise your arm, chest, shoulders, back and entire upper body, can also be used as a hand trainer. High quality: High strength elastic spring, durable. With steel coil pull-up bar and high-density non-slip PU handle, very effective in strengthening your body Ergonomic design: Ergonomic handles provide a comfortable grip, effectively prevent hand slippage. Adjustable: There are five springs adjust the number of springs can be increased or decreased depending on the firmness required by the individual. Suitable for all types of people: Perfect for adult men and women of all fitness levels; allows almost everyone to build muscle, melt fat, and achieve a perfect figure. Note: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 2. Due to manual measurement, there may be an error of 1-2 mm.