For sell or Trade Ruko Locks
I have 2 of each of these different types of cyclinders:
Type 1 = 5 pin, counter-milled core with steel and 2 cut keys. These have a crimped on retaining ring
Type 2 = 6 pin, threaded core with steel and 2 cut keys. These have the easy to remove Schlage style spring pin retaining ring.
If your interested send me a message and we can make a deal.