Carbide cutting edges are CNC machined in an aggressive crosscut pattern for faster, smoother cutting and less heat buildup. Carbide head is 0.071" (1.8mm) in diameter at its widest point. Head length is 0.252" (6.4mm). Shank is 3/32" (2.35mm) in diameter, overall length is 1.751" (44.5mm). Manufactured for medium speed rotary carving tools (up to 25,000 RPM). Excellent choice for medium detail work on steel, other ferrous metals, plastics, fiberglass, and hardwoods. Manufactured in USA. Availability: Usually ships in 2-3 business days. HPC100$5.29 Thank you for visiting A&M Instruments, Tools and Machining. Please e-mail any suggestions or comments to improve the site, our service, or tool selection. Always wear proper eye protection and gloves when using any cutting or grinding tool. ALL diamond tools last longer if a lubricant or coolant is used during cutting or grinding. Copyright® 2002-2006 A&M Instruments Inc 1-866-264-4287