☆ Free shipping ☆ We aim to ship within 24 hours ☆ Please read the profile # Imamukashiya Product List 【Adjustable Resistance Range】The MIKE SPORT hand grip features a rotary dial that allows you to easily adjust the resistance from 10 to 40kg. Increase the resistance by turning clockwise, and decrease it by turning counterclockwise. The dial has non-slip grooves, making it easy to operate even for the elderly. It supports beginners to advanced users and is a grip strength training tool that the whole family can use. 【High-Quality and Durable Spring】Adopts a high-strength spring with a diameter of 3.0mm and a 10-layer coil structure. It has excellent durability and stability, and has passed durability tests of over 5000 times at a maximum load of 40kg. It provides reliable performance even with long-term use. 【Comfortable Grip】The ergonomically designed handle fits perfectly in the palm of your hand. It uses TPE material, which has a non-slip effect and excellent sweat absorption, reducing fatigue even during long training sessions. It provides a comfortable grip that prevents calluses. 【Lightweight, Compact, and Convenient to Carry】The lightweight and compact design allows you to use it anywhere, such as the gym, home, office, or while traveling. It is a multifunctional training tool that not only strengthens grip strength but also helps with relaxation and stress relief. MIKE SPORT Hand Grip Grip Strength Training 10-40kg Adjustable Resistance Grip Gripper Stress Relief Rehabilitation Equipment Unisex With Japanese Instruction Manual $$999 Hand Grip Grip Strength 10-40kg Adjustable Resistance Function Stress Relief