OFFERED FOR SALE: VINTAGE RED NYLON CAP END NUT LOT (10) HARLEY VINTAGE AUTOMOBILE 
DESCRIPTION:THIS IS A LOT OF (10) VINTAGE RED NYLON NUT END CAPS. THESE CAME IN WITH A LOAD OF VINTAGE PARTS. NOT SURE OF THE EXACT APPLICATION, BUT LOOKS SIMILAR TO HARLEY RED NYLON NUTS.HERE ARE THE SPECS:HEXAGON IS 5/16" O.D.INNER THREADS ARE 5/16" I.D.TOTAL HEIGHT IS: 7/16" TALL