V Shaped 30 Degree Carving Bit 10pcs For CNC Engraving and Milling on Wood, Acrylic, Brass, MDF, Soap Stone, Printed Circuit Board Shank Diameter: 3.175mm (1/8 inch) Degree: 30 Material: Solid Carbide PCB Making, VCarve, Wax mold making, Acrylic, LED making Can be used with Dremel rotary tools, cnc spindle with 1/8 inch collets, end mills, cnc milling machine, cnc engraver, routers with 1/8 inch collet adapter