Body Collection Duo Pencil Sharpener. Body Collection Duo Pencil Sharpener. This pencil sharpener has high grade stainless steel blades and is suitable for most eyeliner or lip pencils. The duo sharpener has a small hole of 8mm and a larger hole of 12mm. Sharpening tip. To stop the pencil breaking while you are sharpening it, leave the pencil in .the fridge for 15 minutes.