ACE Mandrel Bit The ACE Mandrel Bit is a reusable holder designed for fitting standard sanding bands to a professional nail drill. It provides a secure base for disposable sanding bands, allowing technicians to perform preparation, shaping, refining and product removal with greater control. Key Features Compatible with standard sanding bands and most professional e-files using a 3/32" shank Secure fit helps keep the sanding band stable during use Balanced design supports smooth operation with reduced vibration Durable, reusable metal construction Easy to clean and sanitise between clients Suitable For Natural nail preparation when paired with the correct fine sanding band Acrylic, gel and builder gel maintenance Shaping, refining and surface smoothing Important Information Select the sanding-band grit and drill speed appropriate to the service. Replace disposable sanding bands between clients.