• [Hand Grip Strengtheners] - Resistance: 20LB (Yellow), 30LB (Green), 40LB (Blue), 50LB (Orange), 60LB(Black); Thickness: 18mm/0.71"; Dia.: 70mm x 34mm/2.76" x 1.34"(Outer*Inner)
• [Material] - Made of durable silicone material, it has the characteristics of good deformation resistance, high elasticity, not easy to tear or crack, and can be used for a long time.
• [5 Resistance Level] - The package included 20lb, 30lb, 40lb, 50lb, 60lb level resistance hand grip strengthener in different color which allows you gradually increase the difficulty of training with the improvement of strength to meet your different level exercise needs.
• [Feature] - With small point textured surface, comfortable grip, perfect for your hand or fingers. Suitable for people of all age to increase hand strength, improves finger and hand dexterity, and reduces tired and stress. In addition, it can help balance and improve your grip muscles for your daily exercise needs.
• [Application] - The hand grip trainer can be used for squeezing and pinching, athletes workout, rock climbing, finger and forearms exercise, muscle strengthening, exercise training, fitness, etc.