The Sparx FLAT Grinding Ring – your go-to solution for resetting your skate blade hollow and removing steel damage with ease! 🏒🥅 With a specially formulated coarse abrasive, this ring allows for quick and efficient removal of deep gouges and nicks. Plus, it flattens your blade, making it easy to set a new hollow. Perfect for those who want pro-level sharpening at home! #SparxHockey #OwnYourEdge #Sparx #Hockey #StaySharp