They will appeal to anyone looking to better their performance in the gym, doing martial arts or any other sport where grip is important
Six strengths from the HG100 beginner rated at 100lbs / 45 kg to the HG350 the grip monster rated at 350lbs / 159 kg
Solid high quality aluminum handles are knuckled and coated for a firm non slip grip
The heavy grips are sold as singles
Lifetime warranty