D1063C Exercise Fitness Hand Grip / Wrist Developer - Blue + Silver (Pair)
Designed according to the shape of hand small and lightweight easy to carry; Not subject to any restrictions on use can use on one hand both hands grasp grip double clamp etc. Different ways to exercise; Can exercise the strength of hand at any thme relieving fatigue strengthening muscles and improving blood circulation; Helpful to prevent rheumatoid arthritis for long time use; A necessary small mechanical fitness.