$ 0 0 10 pcs 3.175mm Single Flute Spiral Bits for Acrylic,PVC,Wood 10 pcs 3.175mm Shank 2mm CED Single Flute Spiral Bits 5pcs 6mm V-shaped cnc router engraving bits for 3D wood working 10pcs 6mm double flute ball nose end mill for steel and copper, round nose spiral bits Aluminum Cutter