■Size: Diameter approx. 12.2cm ■Body weight: 7.26KG ■Material: Cast iron *This is for practicing shot put used in track and field. *KG notation is nominal and may have slight errors. *Dimensions are measured manually by staff and may have slight errors. *Product images are for illustration purposes only. *Color, shape, and design are subject to change without notice due to production reasons. The above is copied from the purchase site. I bought it on Rakuten Ichiba on April 7, 2025, but it was heavier than I expected, so I am selling it after purchasing another size. This is a used item, so please only purchase if you understand this.