The Bauer TUUK Lightspeed 5 Carbon Edge Runners are the latest and greatest in Bauer runner technology. The Lightspeed Edge holder has taken the hockey world by storm and is seen used at all levels for quick and easy steel replacement. The new LS5 Carbon runners feature a soft inner core stainless steel for enhanced edge quality and sharpness, but has been Carbon-coated for premium edge retention and bite properties. The Bauer TUUK LS5 Carbon edge runners come with a higher steel profile for longer sharpening life and greater angle of attack as well as the pro-preferred 10ft radius. The Lightspeed 5 Carbon Edge runners fit in the TUUK LIGHTSPEED EDGE holder and includes one LIGHTSPEED EDGE tool for easily changing runners.