Dental Long Neck Microscope Endo Tungsten Carbide Bur for slow-speed Handpiece por | Jul 17, 2026Unobstructed view suitable for microscope. Shank Material: Stainless Steel. Minimally invasive endodontic approach. Max:20,000rpm. Color: Pink, Grey, Purple, White, Yellow, Red. #2 (White). #1 (Purple).