• 100% quality and Brand new. • 10pcs Brand New Unused Carbide PCB CNC Drill Bits replacements for your CNC machines and any Handheld tool: Dremel, Jewelry, these long-lasting bits are made from high quality tungsten steel for a precise, easy experience• It is brand new with best quality from the professional factory• Great for PC Boards, Plastics, Fiberglass, Wood, Soft Metals, etcSpecification: • Shank diameter (SD): 3.175mm• Color: As picture shown• 10pc Cutting edge diameter (CED): 0.75mm• Total length: 38mm• Quantity: 10PCSPackage Included: 10pcs 0.75mm Carbide PCB Drill Bits