Tried-and-true, the original skate sharpening hollow profile still used today by the majority of professional and amateur hockey players around the world.

The Sparx Radius Rings produces the traditional hollows most commonly used in hockey, including the most popular 1/2” and 5/8” cuts. Choose from 12 different radius rings – from the deepest hollow for extreme grip (5/16”) to the flattest hollow for unmatched glide (1-¼”).