This is a great set for men getting started or women who are experienced kettlebell enthusiasts ready to make a serious commitment to kettlebell training. The 20lb kettlebell is awesome weight for perfecting your form while providing ample resistance. The 30lb kettlebell will test your mettle both strength and cardiovascular and will take you a long ways toward your fitness goals. Comes complete with 20lb kettlebell, 30lb kettlebell, and Iron Core Volumes 1 & 2 Workout DVDs.