Appearance and Material: The handle is made of non-slip silicone for a comfortable grip that resists slipping even when sweating, making it suitable for long training sessions. The spring core is made of high-strength carbon steel, which is durable and resistant to pressure, making it resistant to breakage or deformation after long-term use. The overall compact and sturdy design ensures safe and reliable training.

Function and Training Effect: It is mainly used for strength training of the fingers, palms, wrists, and forearms, improving grip strength, endurance, and explosive power. The moderate spring strength and silicone handle provide a comfortable and stable grip during training.

Electronic Counter: The built-in counter displays the number of training sessions in real time, making it easy to track your training progress. The one-touch reset function allows you to easily reset the counter and record your daily training.

Portable and Durable: Compact and lightweight, it is suitable for use at home, in the office, or outdoors. The wear-resistant and non-slip silicone handle and durable, corrosion-resistant carbon steel spring ensure stable and long-term results.