[Adjustability]: Its Smart adjustable grip, 10-60 KG strength adjustment, electronic liquid crystal display, comfortable handle, high light spring will strengthen the hand wake up the strength. [Core Advantages]: Adjustable strength, mechanical counting, comfortable handle, high-strength spring, anti-skid and sweat-proof, environmentally friendly materials, high-carbon stainless steel. Rotating the strength adjustment head, you can add and subtract the required strength, intelligent counting, exercise without distraction, electronic liquid crystal display, the number can be erased and reused. [High Quality Material]: The high strength thick spring is durable and the stainless steel material is wear-resistant. It does not rust, break and has a long service life.Our grip strength trainer is made of heavy-duty plastic and reinforced metal alloy materials, unlike our competitors, which will break or even be made of low-quality materials. Durable and safe, it will not damage your hands.