These stainless runners fit the Bauer Lightspeed, Lightspeed2, and Lightspeed 2.1 holders only. They do not fit the Tuuk+, or the Lightspeed Edge Holders with the trigger release.  These runners are a few mm longer at the ends than regular LS2's but they fit all Lightspeed holders. STEP is manufactured by a Canadian companies with many years of blade manufacturing experience.  They use the highest quality materials and have mastered a proprietary process that delivers the best replacement steel on the market. This aftermarket steel is superior to stock Bauer steel and has a DLC Diamond Carbon fi finish.  They holds edges longer, are extremely nick resistent, and are less likely to break. Step runners are also 10% higher for longer sharpening life and better edge retention in turns. Price is per pair and includes initial sharpening.   Radius not included.
 
Note: We are a Custom Radius shop and  only sell steel to customers who are getting a Custom Radius. If you just want steel we suggest you get them from another online store.