This is one silver Dzus 1/4 turn pin and are 18mm long from under the head to the tip. These are used on the MK4 Panzer's Full Metal Jacket side panels and on B5-B6-B7 Audi A4 Panzer and B5/5.5 Passat Panzer kits. The OE VW/Audi part number for this pin is 8D0 805 121. This is the same exact part you would buy from a VW/Audi dealer. If you would like to purchase these in large quantities (100+) please send us an email with your required quantity and we can quote it.