Prime-Line Chrome, Storm or Security Door Mortise Double Lock Cylinder, Kwikset

This is a double cylinder in a chrome finish. It is solid brass and has a 5 pin tumbler used on several security screen door mortise locking devices. It has a Kwikset keyway. Being 2-9/32 in. long, it adjusts to most door thicknesses & is used for interior or exterior key locking. It is used in conjunction with Prime-Line parts K-5057, K-5062, K-5064 as well as many other manufacturers mortise locks. For single cylinder with thumb turn, use Prime-Line part K 5105.