4 Prong T Nut 1/4"-20 x 7/16" (Tee Nut) Qty: 500 Zinc Plated Steel / Zinc Plated 4 Prongs 1/4"-20 Thread Pitch. For use with 1/4"-20 Threaded Bolts Overall Length 7/16" All Items Are New, Packaged To Your Order Quantity From Bulk Boxes.