Recieved this as a replacement for a very old set that was getting difficult to fully retract the latch. contacted customer support and the technician identifed the best match and sent a new complete handset!! It was very easy to install and had smart key so I keyed it to my existing key MYSELF and that was very easy also! Fantastic customer support and service. Kwikset is the ONLY lockset hardware I will consider in the future.