We run on Mercury Outboards!
The Renzetti R-Evolution Teaser Stainless in Medium size works nice on middle sized flies. This is a great size for teasing out bass fly tying materials like Woolhead Dubbing or Ice Dub or saltwater fly tying materials like SLF Saltwater Dubbing.
Check out the other 2 sizes Renzetti R-Evolution Teasers, Large and Small.