10PCS APKT1604PDER-H2 Aluminum Alloy Blade Milling Face Milling Cutter Mill GL. 5 x HSS 1/4 x1/4 4 Flute End Mill Cutter CNC Milling Machine Straight Shank Bit. 4 Slot Flute End Mill Cutter Drill Bit 10Pcs CNC Milling Tool HSS Straight Shank.
eBay