Generic 304 Stainless Steel Standard Type M8 X 30 MM Hitch Eyelet Bolt Towing Latch Screw And Nuts by Generic Go to amazon.com Related posts eyelet nut buyer's guide for 2022 DescriptionMaterial:304 Stainless Steel,Standard Size:M8,screw diameter:0.3",screw head hole diameter:0.25",bolt length:1.3"(30 MM),The thread pitch:1.25 mm.1 pcs screw and 1 pcs nut is 1 set.