Check the listing for details. 2-PCS 1/4x3”Round Tungsten Solid Carbide Blank Rod. 10% Cobalt. Condition: New. Listed at 16.95 USD. 1/4" x 3”Round, Ground, High Polished, Chamfer one end, 10% Cobalt, Grade K20-K40 Diameter: 1/4" Diameter (Decimal): 0.250" h6 Tolerance: +0/-0.00043" Length: 3” Length (Decimal): 3.000" Tolerance: +0/-1/16" Chamfer: 0.031(+/-0.008) Weight: 34.75 g. Material: Tungsten Carbide Grain Size: Sub-Micron Grade: K20-K40 Hardness 92.0 HRa Surface Finish: High Polished(0.05~0.1 μin Max Ra) Product Features 10% Cobalt We are supplying all Manufacturing in USA = Carbide blank Universal grade, suitable for all kinds of carbide cutting tools, with extremely broad application fields. Suitable for cutting of alloy steel, stainless steel, cast iron, non-ferrous metals and other materials If you are interested, let me know we can give it a good price more than 50 PCS contact by eBay by message or email WARNING FOR CARBIDE BLANKS AND TOOLS: Secure any long hair or loose clothing that might get tangled or caught in the machine's moving parts. Long hair must be netted for safety around machine tools due to the extreme safety risk it poses. Safety glasses should be worn. Choose the necessary tools and prepare them. The length of the tool shouldn't stick out too far from the holder. Use only tools that have been properly sharpened. When changing tools, be careful not to interfere with the fixture or the work. Securely clamp all work before running the machine. Machines may only be used with approved materials. Dust-producing materials that are abrasive will wear down machine parts. Never blow chips from parts, machine surfaces, cabinets, controls, or the ground around the machine using compressed air. We are not responcible for any injury that may incur after purchase.