FOR SALE IS A YALE COMMERCIAL LOCK CYLINDER. THIS IS FOR MODEL 626 LOCK AND THE PART NUMBER FOR THE CYLINDER IS 1812. THESE ARE 6-PIN AND INCLUDE 2 KEYS. YOU WILL RECEIVE ALL OF THE PARTS AS PICTURED WITH YOUR PURCHASE. CHECK OUT OUR STORE, WE WILL COMBINE SHIPPING ON MULTIPLE ORDERS JUST - REQUEST A TOTAL BEFORE MAKING THE PAYMENT! IF YOU HAVE ANY QUESTIONS, PLEASE FEEL FREE TO CONTACT ME. You will not be disappointed. My feedback speaks for itself. If you have any questions please email me and check out the other items I have for sale. If you have problems with your order, PLEASE CONTACT ME BEFORE LEAVING FEEDBACK. THANK YOU!