This training donut ring is practical for golf looking to improve their swing mechanics. By adding weight to your practice routine, it helps build muscle memory and strength. Additionally, its robust construction makes it suitable for laboratory settings, where it can be used to secure flasks and other equipment, ensuring stability during experiments. Features -Color:Red -Material:Plastic+Iron -Size:10.20X10.20X2.50cm/4.01X4.01X0.98in -Enhanced stability: this weighted ring enhances the stability of your laboratory equipment and golf training tools, ensuring they remain steady during use -Multipurpose: ideal for use with triangular flasks and conical flasks, providing a reliable -Accurate weight distribution: designed with precision, this weight ring ensures accurate weight distribution for optimal performance and safety -Iron construction: constructed from iron, this ring is built to last, offering durability and resistance to wear and tear -Convenient usage: the ring is easy to attach and detach, allowing for quick and convenient weight adjustments to suit your needs Package list: 1 x weight ring