PRIMO M12C by Veloce Skates tm are the new lower cost, high performance line of racing skate blades by the USA based Veloce Skates tm. They are produced with strong resilient titanium rich aerospace alloy tubes/cups and fit with exceptionally ground ultra fine grain hardened M12C stainless steel runners. The runners are bonded with super strong multi step bonding method. What we and our test pilots have been seeing in testing is that they are strong, fast, stable, have excellent adjustability, easy to sharpen, have excellent edge forming and holding as well as easy to deburr. Lengths are 12" - 17.5" and they come matched in height and with choice of several rockers done by expert. Bending is optional at the customers request.