Comparison : Item # D801505, Tapered Shape Radius End - 1/4" Shanks, NF Carbide Burrs
Item # D801510, Tapered Shape Radius End - 1/4" Shanks, NF Carbide Burrs
Item # D801515, Tapered Shape Radius End - 1/4" Shanks, NF Carbide Burrs
Item # D801520, Tapered Shape Radius End - 1/4" Shanks, NF Carbide Burrs
Item # D801525, Tapered Shape Radius End - 1/4" Shanks, NF Carbide Burrs