Strengthen the muscles in your forearms and wrists with this pair of hand grip strengtheners, Develop and build strength and improve grip by simply squeezing these hands grips targeting hands and fingers. Build strength and endurance and help to rehabilitate muscles with these grips that have been designed for maximum comfort and flexibility with foam handles and a power spring. Pair of hand gripsTarget hands, wrists and forearmsBuild strength and enduranceErgonomically designed with foam handles and power springIdeal for rehabilitation of broken bones and damaged muscles in the handsSize: 11.5cm (L) x 8cm (W) x 2cm (D)Ideal for athletes, musicians and stress relief!