We run on Mercury Outboards!
The Renzetti Bullethead Tool is a great addition to your fly tying tools. Designed by Pat Ehlers of The Fly Fishers, the Renzetti Bullethead Tool makes it easy to tie flies like Bullethead Hoppers and many streamers like the venerable Thunder Creek series of trout streamers.
Available in 3 sizes:
Small - Hook sizes #10, #12
Medium - Hook sizes #6, #8, #10,
Large - Hook sizes #4 through #2/0