Genuine Yamaha bolt M6 x 1.00 pitch 30mm long. 10mm hexagon and 18mm thread length. OEM removed from the flashers on a Yamaha XS1100 motorcycle. Good condition no wear and no rust. These are the right size for this application and pattern parts may not be correct. Price is for four. No longer available from Yamaha and replaced by 97080 06030, but these are setscrews not bolts, they are threaded all the way to the head and they are not chromed. See picture below. Also used on drum front brake camshaft levers of Yamaha two stroke models listed above.