Vifitkit Hand Grip Strengthener with Ergonomic Grip Handle, Adjustable Hand Gripper for Men, Hand Gripper for Women, Finger Gripper for Gym Workout, Hand Exercise Equipment (Black)

Construction - Built with high-intensity and high-grade carbon steel, electroplated and lustrous on the surface, it has enhanced spring to endure long-term and frequent use. Heavy-duty Spring - The spring is heavy-duty and securely attached, when in use, it has a smooth and quiet motion. ABS Plastic Handle - The ABS plastic handle and spring are connected firmly and each handgrip is expertly crafted providing long-term strength and reliable use for a long time. Anti-slip Rubber Grip - With the high elasticity comfortable rubber handle, keep your fingers from hurting. The rubble grips on the handle help to control an accidental slip from your hand when it gets sweaty. Ergonomically Engineered Design - The ergonomic design allows the hand exerciser to provide effective finger, hand, wrist, and forearm workouts. The groove design makes your finger connect with the rubber grip closely