Only a few light wrench marks on the hex. This is truly a nice collector’s piece that is not only rare but also in a hard to find size and collector grade condition. The item “LUNKENHEIMER MARS #5 BRASS OILER/LUBRICATOR HIT&MISS ENGINE EXC. USED COND” is in sale since Sunday, March 04, 2018. This item is in the category “Business & Industrial\Light Equipment & Tools\Stationary Engines\Parts”. The seller is “peepandmax” and is located in Severn, Maryland. This item can be shipped worldwide.