High performance These new carbide burrs are made from highest grade tungsten carbide and are manufactured with the highest degree of accuracy for perfect concentricity and balanceThey offer fast material removal and longest life. Product Information Brand WALTER Part # 01V072 Burr Diameter 1/4 Inch Diameter 1/4" Length 1" Max RPM 70,000 Origin Country CN Product Type Carbide Burrs Shank 1/4 Inch Shape Double Cut Product InformationDouble cut tooth design for aggressive material removal Optimal flute geometry for fast removal and fine finish Solid carbide head for premium performance Brazed shank for perfect concentricity and reduced vibrationsSuggested ApplicationDeburring of Ferrous Materials Weld Removal Material removal in tight spaces Material removal on complex geometries