Sears used to have a Tampico Fiber wheel like that it's in the 1966 Craftsman catalog. A brief description of Tampico wheels from Google. Tampico fiber apparently comes from a Mexican plant.
"Tampico Fibre Sisal Polishing Wheels
With the aid of our broad advantageous expertise, we are instrumental in supplying and trading Tampico-Fibre. Our offered products are used for dusting of metallic surfaces after polishing due to their soft yet strong fibres and long life functionality aspects. With the procurement being done from highly renowned vendors, these products are fabricated by utilising finest quality Mexican fibre and progressive technology"