The Ultimate Hand Grip Strengthener - Adjustable Hand Exerciser with 4 Resistance Settings - Beginner, Intermediate, Advanced and Extreme. Includes Free Crush Your Competition Workout Guide The ULTIMATE hand grip strengthener is designed to fit in your hand PERFECTLY. Young, old, male, female - it doesn't matter. Ergonomic design ensures your total satisfaction and perfect hand fit. They might look like other grips but they don't perform like other grips. Others snap, break and can't take the pressure from serious athletes and users. Ours can. Easily adjustable, the ExoTrinity Ultimate Hand Grip strengthener comes with 4 settings. Novice. Intermediate. Advanced and ULTIMATE, EXTREME, CRAZY strong setting. Whatever your level, you'll love these grips. Uses include - rehabilitation from injuries, rock climbing, body building, golf, tennis, sports people, shooting, musicians and anything else where you need ULTIMATE grip, hand, wrist, finger, thumb and forearm strength. Lifetime guarantee. If they break, we'll send you a new set. If you hate them, we'll give you your money back. You will LOVE these grips. We may be biased but we think they're the best you can buy.