This sale is for a lot of 40 new old stock, never been used Pheoll Bolt Co. 3/8"-16 X 1-1/2" long square headed bolts. The bolt heads measure 9/16" square. Made in USA. BEING SOLD AT A SUPER LOW PRICE OF .25 ea. Please see pictures and ask questions if you have them. We describe our items as accurately as possible. We do not know everything, so look at the photos as well as reading description completely. I will ship internationally and will combine shipping on multiple purchases.