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The KWIKSET 966CSLSQT-15.UNIV is an interior handleset trim kit featuring the Casey lever paired with a square rose plate, finished in Satin Nickel. This trim assembly mounts on the interior side of an entry door and works in conjunction with a single cylinder handleset to complete the door hardware assembly. It is designed as a direct-fit interior trim component for both 800 Series and 687 Series handlesets, giving installers and homeowners a consistent lever style and finish across a door set. The part ships as a single assembly unit and weighs 1.2 pounds.
This interior trim is suited for residential entry door applications where a single cylinder handleset is already installed or being replaced. The square rose plate provides a clean, contemporary backplate profile that pairs with the Casey lever design. Because it is compatible with both the 800 Series and 687 Series handleset platforms, it can serve as a replacement trim piece when the exterior hardware is retained and only the interior assembly requires updating. Installation is typical in single-family residential settings by locksmiths, general contractors, or experienced installers.
Confirmed compatible with KWIKSET 800 Series and 687 Series single cylinder handlesets as an interior trim replacement.
Installation of this interior trim should be performed with the door hardware fully disassembled and the door in a safe, workable position. Standard door hardware tools apply, including a screwdriver and, where applicable, a drill for latch or bore adjustments. Verify the existing handleset series before ordering to confirm fitment. Follow all local building codes and manufacturer instructions for residential door hardware installation.
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