2Cr13 Stainless Steel Solid or Floating Solid Solid or Floating (Factory):Solid Diameter (mm):200 Factory Diameter (mm):200 Factory Thickness (mm):3.5 Features part number: md6215d part location: b102 Heat-treated carbon steel brake rotors Steel construction extends rotor and brake pad life by eliminating galling Rotors come with or without scraper holes (according to OEM rotor design)