Deburring Tool Set, Product Type Deburring Hand Tool Set, Surface Application Back Hole Edge, Flat Surface, Front Hole Edge, Straight Edge, Blade Material High Speed Steel, Blade Finish Not Applicable, Blade Trade Number UB38, UF1, US1, US2, US3, US4, Color Yellow, Number of Blades 6, Holder Trade Letter Not Applicable, Features Deburring Flat Surfaces, Straight, Hole and Back Hole Edges, Blade Style Rotating, Includes UF1, US1, US2, US3 and US4 Deburring Tools, Series U