This Exafit Rolling Massage Stick is the ultimate portable self-massage tool. Small enough to fit in your sports bag, the massage sticks five independent rollers targets your trigger points & penetrate specific muscles. Ideal for use before or after exercise to increase the circulation and to soothe the tight muscles and ease aches and pains. Great for massaging all parts of the legs including:quads, thighs, hamstrings, ITB, calves & Achilles, however it is equally good on the upper body for massaging the shoulders, neck & arms. Metal tube inside with ABS rollers, PP handles, TPE rubber grips and PVC end caps.