Hard as Hull Penetrator Head Cement is a deep penetrating adhesive that soaks into thread wraps and locks them down. It soaks in nicely and doesn’t change the look of the thread wraps. The bottle cap has a built in applicator brush. It is our default head cement for all our flies.
Penetrator Head Cement Hard as Hull
.5 Fluid Oz. Bottle. Consider grabbing a bottle of the Thinner, too. It works on both the Hard as Hull Penetrator and the Hard as Hull Original Glossy Cement.
Brad Elfers has been a fly fishing & river guide in Alaska since 1993.He opened Alaska Fly Fishing Goods in 1998.
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