The KDG Hand Grip Strengthener is a 2 pack of adjustable resistance units designed to enhance forearm strength and grip. Made from durable silicone material in a sleek black color, these hand grip strengtheners are perfect for gym and training activities. With adjustable resistance levels ranging from 10 to 130 lbs, users can easily customize their workout intensity to achieve their fitness goals. The KDG brand ensures quality and reliability in this essential fitness equipment.