Make of PP, steel, comfortable and slip resistant. Our grip enhancers will make your movements more comfortable. Our hand extruders are equipped with electronic counting functions, which record your exercise time everytimes. Adjustable resistance: 10-100kg resistance can easily adjusted as needed. It can matching with your various grip training to solve your hand, finger, and forearm problems. Grip strength enhancers is very suitable for increasing the strength, strength, and speed of the wrist, fingers, and forearm. Our grip strength training device is super portable and can let you exercise at homes, in the car, in the offices.