Guitar-- most often used for installing guitar tuners, enlarging holes in pickguards and lots of other tasks.
Bling accessories-- comfortable to hold: with wooden handle, comfortable for you to hold and use.
Violin peghole reamer-- good protection: come with a plastic sleeve to protect the drill bit and prevent it from damaging other during storage and transportation.
Violin making tool-- violin peghole reamer: most often used for installing guitar tuners, enlarging holes in pickguards and lots of other tasks.
Pin reamer-- violin peghole reamer: fits on virtually all guitars, violins, cello and other instruments.