Five Tools In One!
Sharp metal teeth tap chalk into cue tip, and can also be used to scuff a badly glazed cue tip.
The Shaper on the back shapes and scuffs the cue tip to a Dime radius. The one of the front shapes and scuffs the cue tip to a Nickel radius.
Trims cue tip sides to within .010" of flush with ferrule.
Burnishes, harden and polishes cue tip sides exactly flush with ferrule.
The replacement sandpaper needs to be glued with Cyanoacrylate glue or any other glue that bonds aluminum and paper.