Breakaway Products SkateMate Ice Skate Sharpener SkateMate can sharpen stainless steel or super-steel blades, and super-hard speed skate blades Easily adjustable to fit all skate blade widths and ROH (Radius Of Hollow) The flexible abrasive cylinder has a high-tech ceramic abrasive. The grains prevent wear grooves from forming The Teflon strips provide a smooth sliding action up and down your blade From A&R Sports, the leading brand in sports accessories for over 20 years