Say Hello to the NEW LP Diamond Cone. Designed to gently lift the proximal nail fold, open the lateral fold and thoroughly clean the cuticle pocket for flawless nail prep. The LP Diamond Cone is available in Extra Fine, Fine and Medium Grit, so you can adapt to your clients' different skin type. Spec: Diamond Dust Extra Fine, Fine, Medium grits For left and right-handed use Fits all eFile machines with a standard shaft width of 3/32” USE AT A SPEED OF 10 RPM WITH THE LP EFILE. Other eFile brands may require a higher / lower setting. We advise you to follow the LP Hygiene Routine to clean & care for your drill bits. We hope you can understand that all of our drill bits are non-refundable, due to hygiene reasons.