The chest press machine is constructed with 2.5-inch x 2.5-inch steel pipes, featuring a thickness of 2.5mm, making the structure extremely robust. It is equipped with independent polymer arms, each capable of supporting up to 300 lbs, with a bench press capacity of 300 lbs. Additionally, the weight bar is compatible with both 1-inch and 2-inch weight plates, perfectly accommodating any size of weights!