Stainless steel JIS hex head bolts with captured washers like originals in quantities of 10. Restore your vintage Datsun with original style hardware but in stainless steel, so no more corrosion. Choose from 6mm, 8mm or 10mm size. Length is measured from the base of the head to the end of the threads. Hex heads are JIS (smaller hex) to match orginals. Sold in packs of 10.