Tones Pro Mandrel Bit — Professional Nail Drill Mandrel for Sanding Bands The Tones Pro Mandrel Bit is the essential companion to Tones Sanding Bands — a high-quality mandrel that securely holds sanding bands for controlled filing, shaping, and smoothing on acrylics, gels, and natural nails. Built for smooth, consistent rotation at professional drill speeds. From a women-owned nail brand with 15+ years in the professional nail industry. Key Features: Secure Band Grip: Holds sanding bands firmly during use — no slipping or spinning. Standard 3/32" Shank: Compatible with Tones Pro Manicure Drill and most professional nail drills. Smooth Rotation: Balanced for consistent performance at variable speeds. Use With: Tones Pro Sanding Bands (sold separately). About Tones: Women-owned, Miami-based. Over 700 professional nail products trusted by technicians for 15+ years.