HIT Fitness pump sets are ideal for high intensity interval training workouts (HIIT Workouts) and circuit ... training classes that require the use of weights and resistance equipment. If your goals involve building muscle, strength, and toning your body, HIT Fitness pump sets were made for you. HIT Fitness offer pump sets for home gym use and pump sets for commercial gym use. Our pump sets cone equipped with a barbell, weight plates, and barbell collars. They have been designed specifically for high repetition exercises such as lunges, bicep curls, and rows.