Thank you for viewing this product. [Product] This product is a grip strength training tool. The load adjustment is very easy ♪ You can adjust it by twisting the knob. Let's train according to your strength! Adjustable from 5kg, which is safe for women and children, up to a maximum of 60kg, which is great for adult men and grip strength training ⭐︎ With the counter, you can set goals like "10 times today, 20 times!" and "10 more times tomorrow!" so you can keep going ♪ How about grip strength training with this opportunity? [Size] Length: Approximately 16cm Width: Approximately 10cm Load adjustment: 5kg to 60kg ※ Although the product is unused, there may be initial scratches from the manufacturing process. We will ship in simple packaging to offer the product at a low price. Please understand. [Shipping] Ships the next day after purchase. Shipping is free.