Sparx Edge Checker is the ultimate tool for hockey players, pro shops, and parents to ensure precision skate sharpening, measuring edge height differences down to .001" for optimal on-ice performance. Built with a hardened steel wear plate and precision-machined components, it delivers unmatched durability and accuracy. The short blade throat accommodates all skate profiles, while integrated measurement bar storage keeps tools organized. Ideal for use with Sparx Sharpeners or manual setups, it guarantees evenly balanced edges for faster, smoother skating.