Comparison : Item # D801635, 14° Taper - Radius End 6" Long Shank, Single Cut Carbide Burrs
Item # D801640, 14° Taper - Radius End 6" Long Shank, Single Cut Carbide Burrs
Item # D801645, 14° Taper - Radius End 6" Long Shank, Single Cut Carbide Burrs