hand training device, onderarmgereedschap, veertraining, onderarm, finger trainers,5pcs

【Package Included】You will receive 2pcs black smart counting grip amplifier, 2pcs gray finger trainer and 1 piece five-finger fan-shaped grip, from 5kg to 60kg, you can adjust the resistance according to your level; with Increase resistance as the force develops. Intelligent counting handle: The grip adopts high-strength alloy spring, the connection port is sturdy and durable, solid PP handle, TPR rubber coating, mechanical intelligent counting, the number of exercises is clear at a glance, you can better understand your training by counting progress and effects. 【Easy to Use】This smart counting handle is easy to operate, just press and hold the button and count automatically; turn the bottom button to erase it, it is very convenient and reusable, it is a good helper for all kinds of sports lovers to increase their strength. 【Ergonomic Design】Adopt anti-slip handle, massage palm, TPR handle has good elasticity, soft, safe and non-slip, comfortable grip, does not hurt fingers, freely adjustable strength, 5-60kg free adjustment, suitable for large and small hands, elderly and teenagers. 【Wide Range of Application】Grip strength amplifier is beneficial to improve the strength of wrist, fingers and forearm.