Product Description We have been a supplier/manufacturer to the Automotive Aftermarket since 1983. Our products are designed with the professional mechanic, technician, welder, or fabricator in mind. All of our products are manufactured for professional or production use; and many are made in our own facility in Rockford, MN. From the Manufacturer Small pulley with pin for Shark 6000. Offering twice the pulling power of the old Ammco style pulley system, these pulleys run so smooth that they dramatically reduce the shaking or movement in your lathe.