Ultima Matrix Supreme Blades size 9. Used for 1 season, just sharpened! Still a lot of life it them. We changed with next size.Tapered design provides deeper, precise edges and longer sharpening life. Stainless steel runner holds edges longer. This item is in the category "Sporting Goods\Winter Sports\Ice Skating\Other Ice Skating". The seller is "atacheva" and is located in this country: SI.