This is a kit -  a side door handle case that fits the Supreme Spartan Truck Body, the lock cylinder, and 2 keys.  If you don't specify, we will chose the number based upon what we have in stock.  We have #18 through #20 available. ** Please see the note at the bottom about keys ** Assembly is required. We included a copy of the Hansen engineering drawing in the photos.  If you can't quite make it out, here is the key measurement: Outside Case measures 6 3/8" x 4 1/8". We ship Priority Mail daily to the US 48 states. ** This kit includes 2 keys per paddle case.  If you don't need all the keys let me know, we will remove them and refund you back.  If you want a certain key number, also let me know.