NeoDiamondĀ® 1916 Egg / Football Diamond Bur by Microcopy (USA). Premium single-use friction grip (FG) diamond bur featuring a compact egg / football geometry (1.6 mm diameter, 5.0 mm head length). Specifically engineered for precise occlusal reduction, shaping anterior lingual concavities, contouring restorative margins, and bulk adjusting composite or ceramic surfaces without cross-contamination risk.