ACOS Sharp Conical Nail Drill Bits are straight-cut e-file bits for detailed manicure work in narrow areas and beneath nail tips. Choose Fine, Extra Fine or Extra Extra Fine for the level of refinement required.Verified benefits Sharp conical profile reaches narrow nail areas Straight-cut teeth support controlled, efficient filing Three fine-tooth densities for detailed work Standard 3/32-inch shank fits compatible professional e-files How to useInsert the bit securely into a compatible 3/32-inch nail drill. Select the appropriate grit and use light, controlled passes. Clean and disinfect the bit between services in line with salon and equipment protocols.Product details Variants: Fine F (Bit029), Extra Fine XF (Bit030), Extra Extra Fine XXF (Bit031) Shank: 3/32 in (2.35mm) Total length: 44.5mm Coating: none Quantity: 1 bit in a storage tube