For cutting acrylic instead of shaving it, reducing heat build-up on the nail. The cross-cut reduces dust while removing acrylic during backfill. This cross-cut (3/32), zirconium-coated carbide bit cuts acrylic instead of shaving. This will reduce heat from building on the nail plate while performing services. The cross cut feature keeps dust at a minimum while removing acrylic during backfill application. Cross cut Zirconium coated Cuts instead of shaves