This is a classic exercise for the chest. One important thing to mention is that cable exercises for the chest are not for building muscle mass. They are primarily for shaping the chest muscles and getting the coveted muscle separation lines. Thus, if you goal is to build slabs of muscle onto your chest, then you should do barbell or dumbbell chest exercises.
Therefore, when you do this movement you don't really need to go really heavy with the chosen weight. Instead, focus on the movement and executing it perfectly in a controlled manner. The movement should be smooth and fluid with no sudden jerking motions.