BAUER TUUK LS 5 Carbon Edge Runner (Pair) features soft inner core stainless steel for enhanced edge quality and sharpness. Carbon-coated for premium edge retention and bite properties. Higher steel profile for longer sharpening life and greater angle. 10Ft radius. Fits into the TUUK LIGHTSPEED EDGE™ holder. Includes one LIGHTSPEED EDGE™ tool for easily changing runners.