Hawk Mandrels, although extremely tough, are not designed to drift.
They are designed to make the final shape of the eye
Tomahawk Drift which is actually used as a mandrel for wrapped eye on tomahawk.
This blacksmith mandrel is designed to be the final shaping tool for the eye making
The blacksmith shaping tool tapers from 7/16" x 5/8" to 1" x 1-1/4" 8.25" length teardrop shape cast ductile iron.