Designed for faster and smoother cutting, Henry Schein® Brand Maxima diamond burs are available in varying degrees of sharpness, lengths, shapes, grits and sizes, allowing for optimal durability. Made of pure natural diamonds, with a uniform diamond coating — including the tips — these non-sterile diamond burs are suitable for applications where extreme precision is paramount. 1.6 mm. Course. Green. Friction grip. Pointed football. Five per package.