The Sparx Radius Ring is the original skate sharpening hollow profile trusted by both professional and amateur hockey players around the world. Known for its reliability and consistent results, this ring delivers the perfect ice skate edge for speed, control, and precision—whether you're a beginner or a seasoned pro.

Compatible with all Sparx skate sharpeners, the Radius Ring is engineered to produce a consistent hollow every time, ensuring your skates are always ready for peak performance. Its durable construction and precision design make it a must-have for serious players and skate techs alike.

With 18 hollow options available, you can tailor your edge to match your skating style and ice conditions.

Choose from: 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1-1/8", 1-1/4", 1-1/2", 1-3/4", Flat, and 1-3/8".

From home setups to pro-level gear rooms, the Sparx Radius Ring remains a staple for delivering high-performance, game-ready edges.