This sale is for 4 new old stock, never been used Williams 1/2" - 13 tpi X 1-1/4" long T-slot bolts made in USA. Again, you are purchasing 4 bolts. NOTE: These do not come with packaging. 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.