1599 Key-in-knob Cylinder withSchlageEverest EA C123 keyway,0-bittedin a 26D Satin Chrome Finish.The lock is pinned for6 chambers with #0 Pins and can be easily repinned to match an existing lock. Includes 6 different tailpieces. Fits many Schlage, Arrow, and aftermarket locks that use the Schlage type cylinder. Does not include keys.The C123 Keys are sold separately. NOTE: Does not have the patented Everest Check Pin Security Feature.