Deburring Tool Set Product Type Deburring Hand Tool Kit Surface Application Back Hole Edge Cross Hole Flat Surface Front Hole Edge Hole Inner Surface Straight Edge Blade Material Carbide High Speed Steel Blade Finish Not Applicable Blade Trade Number B10 B11 B20 B30 BUS1 BUS2 BUS31 BUS4 E500C Color Yellow Number of Blades 8 Handle Trade Name Classic Aluminum Holder Trade Letter B U Features Blade Inserts Axially or Perpendicular to Handle Blade Style Fixed Rotating