Diamondcoated nail drill bits and polishing discs designed for use with electric nail polishers. Durable emery surface provides consistent abrasion for shaping, smoothing, and polishing nails. Key features Material: Diamondcoated emery surface for durable, reusable abrasion. Package contents: 2 nail polishing heads and 2 polishing sheets. Electric nail polisher is not included. Two sizes for different tasks: 3.1 x 2 cm (1.22 x 0.78 inches) and 4.2 x 1 cm (1.65 x 0.39 inches). Universal fit: compatible with most electric nail drills for easy installation and use. Benefits Versatile performance: the diamond emery surface handles shaping, removing product, and finishing with controlled abrasion. Time saving: two sizes let you switch quickly between coarse and finer work without changing tools. Long lasting: strong emery material withstands repeated use for salon or home routines. Easy to install: fits most electric nail drills so you can begin trimming and polishing right away. Suitable applications Salon manicures and pedicures for shaping acrylic, gel, and natural nails. Athome nail care for smoothing edges, removing ridges, and preparing nails for polish or overlays. Detail work such as refining cuticle areas and smoothing tips before finishing. Notes This set contains only the drill bits and polishing discs. An electric nail polisher is required to operate these bits and is not included in the package.