The Seed Diamond Bit 100% Tungsten Steel Fine Grade For pushing back or lifting the nail fold Removing cuticle Suitable for Pedicure & Manicure Left Handed & Right Handed Shaft width of 3/32" Fits all Efile Machines Recommended Speed 9-11rpm dependant on the client's skin type. AFTERCARE & CLEANING: Use warm soapy water to remove the dust and product debris from within the grits, flutes and teeth. Once the bit is fully clean you can use your preferred sterilising method. If soaking in Barbicide please only steep for the recommended time, over-steeping can dull your drill bits. Once sterilised, dry the pieces and store in a container. Alternatively, after cleaning your pieces with warm soapy water you can use a UV sterilising cabinet. HBD-243BL.016