Comparison : Item # D801040, 60° Cone Shape - 1/4" Shanks, Double Cut Carbide Burrs
Item # D801045, 60° Cone Shape - 1/4" Shanks, Double Cut Carbide Burrs
Item # D801050, 60° Cone Shape - 1/4" Shanks, Double Cut Carbide Burrs
Item # D801055, 60° Cone Shape - 1/4" Shanks, Double Cut Carbide Burrs
Item # D801060, 60° Cone Shape - 1/4" Shanks, Double Cut Carbide Burrs