Consistent Precision Every TimeUser-Friendly: One-button operation for ease of use.Programmable: Allows up to five sharpening cycles.Vacuum Connection: Compatible with Prosharp® vacuum cleaner.Quick Change: Easy to switch between different grinding wheels to adjust the edge depth.Wide Range of Edge Depths: A large selection of edge depths to choose from.EP Fine 100 mm Wheel: Sharpens approximately 750 pairs of hockey skates.EP Coarse 100 mm Wheel: Sharpens approximately 1500 pairs of hockey skates.EP Fine 60 mm Wheel: Sharpens approximately 500 pairs of skates (speed skating, figure skating, and bandy skates).EP Coarse 60 mm Wheel: Sharpens approximately 1000 pairs of skates (speed skating, figure skating, and bandy skates).Versatile: Sharpening for all types of skates, including hockey, speed skating, figure skating, long-distance, and bandy skates.Channel-Z Compatible: Supports Channel-Z sharpening.Maintains Prosharp Profile®: Keeps your Prosharp Profile® intact.Constant Pressure: Ma