Amick will provide NASCAR approved Spindle, Hood and Deck Tethers Your way. Thimbled, PVC Coated or Plain. The option is now for NASCAR Teams and our Distributors to decide. If Teams want to have PVC Coated or Plain eye Spindle Tethers, NASCAR required that the Jack Bolt be sleeved to protect the Tether eyelet from any thread cutting. Call Heintz Performance, Roush Yates Performance Parts or Dave Jensen Enterprises, South for all the details. It's Your Choice....Strength and Value, it defines us!