Strauss Double Toning Tube, (Grey) with Hand Grip Toning Tube With Dual Strings Large Handles For Comfortables Use 2 Removable Latex Cords Better Grip Strong Resistance Durable,fine Quality VERSATILE: Resistance bands are extremely versatile, great for P90x, Insanity, Crossfit Training, Yoga, Pilates, Beachbody, Physical Therapy, Strengthening, Toning Upper and Lower body. You can also isolate and target glutes, legs, hips & knees. REAT FOR REHABILITATION - Hand grip strengthener is great for rehabilitation. It is useful for patients with hand injuries, arthritis, tendonitis, carpal tunnel, tennis elbow or on the way to recovery from injured hand / wrist or tendon surgery. ADJUSTABLE RESISTANCE - Hand grip strengthener can be adjustable from 22 to 88 lbs (10 to 40 kg). It can satisfy different power levels, from the beginners to the advanced.