Enter the knuckle radius at the large end of the cone. The direction of a conical head or shell is from the large end to the small end. The large end is the bottom of the cone and the small end is the top.
Enter the knuckle radius at the large end of the cone. The direction of a conical head or shell is from the large end to the small end. The large end is the bottom of the cone and the small end is the top.