-Provides outstanding performance even in the most aggressive conditions. -Made of Galfer's unique High Carbon 420 SS / 8 composite. -Laser cut (not stamped like most others). -Double disc - parallel grinding to ensure perfect parallel flatness. -Heat-treated to each specific application (to ensure warp resistance). -Patented inner and outer Wave design minimizes heat transfer, equalizes dissipation and evens out pad wear. -Each of Galfer's designs are CAD-CAM and tested with a stress analysis program, as well as dyno / real life tested prior to being offered on the market. -KBA and TUV approved.