Running weighted adjustable hand weights steel plate lead block weighted sandbag wrist sandbag weightlifting wrist invisible hand weights is a weighted training accessory designed for running and fitness enthusiasts. Made with high-quality materials, it is wear-resistant and comfortable. The adjustable design allows you to increase or decrease the weight as needed, improving training effectiveness. These sandbags are lightweight and invisible, fitting perfectly on the wrist. They can be used with any exercise to effectively enhance strength and endurance, helping you achieve your fitness goals quickly and improve athletic performance.