Rasp designed bits include this line of Professional's Choice selection.  Rasp Shank Dogbone bit.  6" rasp detailed cheek with a 5 1/4" dogbone mouthpiece with copper overlay.  This mouthpiece is a three-piece construction allowing better conformation to the horse's mouth.

Rasp shank dogbone bit

6" cheek

copper overlay mouth

5 1/4" mouth