This ad is a group of 26 vintage automotive OEM fasteners that were removed from a vehicle around the mid 1960's to late 1970's. There are 9 ea. UNC 1/4" X 20TPI SAE grade 5 fasteners with captive large flat washers. There are 9ea. UNC 5 /16" X 18 TPI grade 5 fasteners that have captive flat washers and 3ea are flange headed. There are 4 ea. UNC 3/8" X 16, 2 of which are flange headed. there are 4ea. that are a UNC 7/16" X 14 TPI with 2 of the fasteners that are 3 1/2 inches in length that have a captured washer, a 2 3/4"with a captured flat washer and a 2 1/8" with a captured lock washer, with the 6-point hex head at 5/8 inch. They are vintage and marked with an "N" or "NAT" and made in the United States and have a black oxide surface finish. These fasteners are not modified and comes with a free return warranty. Although they are designed for a specific automotive chassis, it is a rare find for collectors and enthusiasts and will also work for fixes that are not as extensive or technical as automotive repair.