Possible Clues:

• Rather roughly like the sound of 35 across
• Pizzeria gadget
• Kitchen implement
• It's a bit rough - that sounds more like it
• Sounds more than rather rough
• Device used on cheese, nutmeg, etc
• Sounds as if it gives more of a scrape
• Start from scratch with this - even more so, by the sound of it
• It makes small bits of food larger, so they say
• Utensil for reducing to small particles