Handshake Amplifier Heavy Duty Strength Training Hand Gripper Adjustable Blue Description: Superior quality: made of ABS material, characterized by high flexibility and durability, strong enough to withstand heavy exercise. Ergonomic handle: The strong gripper is ergonomic and easy to use. comfortable grip, good flexibility and anti-slip. Pocket size: With its compact and portable design, take this holder with you and practice anywhere: at home, in the workplace, or on the go. Function: rotary regulates force, force range 10kg-100kg. Intelligent design, automatic counting. Hand training: perfect for training fingers, wrists and forearms, building hand strength, increasing finger grip and flexibility. for wrestlers, athletes, musicians, muscle builders, exercise trainers. Specification: Material: ABS Size Chart: 14,5 cm x 16 cm/5,71 inch x 6,30 inch The package includes: 1 hand grip