SpeTool Ranger 3/4,Top-Quality Metal End Mill Bit for Precision Cutting | SpeTool,*AstraHP Coated* Bits&Bits 560-SRB500 - 1/2,YG ZBS1048 - ZBS1048, 0.750,0.79mm(0.0312inch) Dia x 3.18mm Shank x 2.38mm LOC x 38.1mm OAL - Square-End End, Double-End Endmill, Right Hand Spiral - 2 Flute - TiAlN Coating,