Tones Diamond Bit — Inverted Cone | Professional Diamond Nail Drill Bit The Tones Diamond Inverted Cone Bit is a fine-grit diamond nail drill bit designed for precise cuticle area work, under-nail cleansing, and detailed finishing. The inverted cone shape reaches angles that standard barrel bits can't — ideal for clean, thorough cuticle and sidewall work. From a women-owned nail brand with 15+ years in the professional nail industry. Key Features: Diamond Grit Surface: Smooth, controlled filing — gentler on the natural nail than carbide for fine detail work. Inverted Cone Shape: Reaches under the nail edge and into cuticle areas for thorough, precise work. Standard 3/32" Shank: Compatible with Tones Pro Manicure Drill and most professional nail drills. Sterilizable: Disinfect and reuse — built for professional multi-client use. About Tones: Women-owned, Miami-based. Over 700 professional nail products trusted by technicians for 15+ years.
