This information may not set so well with the manufacturers or their agents and many who may successfully use a certain product. In fact, many of them hate to see this sort of analysis/testing/acceptance.
You ain' t gonna catch no flack from me over it, Len! [8D]
One of my favorite stabilizers is still the old Cobra I got in the 80' s. Nothing more than an aluminum rod with a brass weight on the end, 11 1/2" overall length.