Factory number: HHV Factory number :HHVOregon number :D009Parameter :Mount Length Pitch Gauge Drive linkD009 18" 3/8" .058" 68DLD009 20" 3/8" .058" 72DL D009 22" 3/8" .058" 76DLD009 24" 3/8" .058" 84DLD009 28" 3/8" .058" 93DLPackage:1PCS/BOX10PCS/CTN 600PCS/PALLET HHV20--HARD NOSE BAR