YUFUTOL SD-5 Tungsten Carbide Burr Ball Shape Double Cut Rotary Burrs File(1/2"Cutter Dia , 0.45"Cutter Length) with 1/4" (6.35mm) Shank Dia

YUFUTOL SD-5 Tungsten Carbide Burr ball Shape Double Cut Rotary Burrs File(1/2''cutter Dia ， 1''Cutter Length) with 1/4'' (6.35mm) Shank dia

SD-3 Tungsten Carbide Burr Rotary File Ball Shape Double Cut for Die Grinder Drill Bits 1/4'' Inch Diameter of Shank and 3/8'' Inch Diameter of Cutter 15/47'' Inch Cutter Length

Drill America SD-7 Carbide Burr/Rotary File Ball-End Double Cut for Die Grinder 3/4" Dia. x 11/16" Cut Length with 1/4" Shank and 2-7/16" Overall Length, DUL Series