The Sparx BEAM™ is Sparx Hockey's patented Blade Edge Accuracy Measurement device. Utilizing state-of-the art laser technology, the Sparx BEAM measures blade edges to 1/10,000th of an inch - or less than a third the thickness of a human hair. The SPARX BEAM can also be used with any Generation Sparx Sharpener. Included: Sparx BEAM™, Wireless Charging Pad, Charging Cord and Blade Thickness Gauge. (USB plug not included). FEATURES: Laser Measurement - Measures blade edges and alignment to 1/10,000th of an inch Unmatched Accuracy - No other edge checker can match the exactness of the the SPARX BEAM  App Connected - Connect to the Sparx Hockey App for enhanced features and more in-depth measurements Simple and Easy - Easy to understand icons ensures your edges are always perfect.