You are buying a Lot of 4 individual Leydebong Keyless Locking Privacy Door Knobs - Satin Brass Finish - Model 5793LSBBK. Only one is shown in the pictures but you are buying 4 total for the one price. Fits door thickness 1-3/8" to 1-3/4". Adjustable Latch 2-3/8" or 2-3/4". Easy to install and comes with directions. See pic for more information about these beautiful door knobs. Several lots are available so I have offered a volume discount if you need more than 4. This is a NO Return Sale so be sure these are what you really want and need. Will ship economy within 2 days of purchase/payment.