ITEM NAME:7Pcs Radius Ball Nose 2 Flutes Shank Spiral Deep Slotting Router Bits for C Y6D4 7Pcs Radius Ball Nose 2 Flutes Shank Spiral Deep Slotting Router Bits for C Y6D4 Each one pcs Ball Tip Radius 0.5mm 0.75mm 1mm 1.5mm 2mm 3mm 4mm Fast Chip-Removal volume and Speed, Non-stick with bits, Suitable for Aluminium,Metal,Woodworking,Alloy ,Steel,Pratic Rustless and anti-static, best performance with high precision,work perfect on milling or cutting machine Widely used For CNC Engraving, Milling, Roughing, Hollowing, 3D sculpturing purposes Color: black + silver. Material: Car