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The KWIKSET CP720J-3 is a passage knob lock designed for interior doors that do not require keyed entry or privacy locking. This clear pack unit ships with an RCAL latch and an RCS strike plate, giving installers a complete, ready-to-install assembly in a single package. The knob features a Bright Brass finish suited for standard residential interior door applications. At 1.2 pounds, the hardware is lightweight and straightforward to handle during installation. The CP720J-3 is sold as a single unit and is intended for doors where free passage is required — hallways, closets, and similar non-locking interior openings.
This passage knob is suited for residential interior door installations where no locking function is needed. Typical applications include hallway doors, closet doors, and common area pass-through doors in single-family homes and light residential construction. The included RCAL latch and RCS strike simplify rough-in and trim-out by eliminating separate hardware sourcing. The Bright Brass finish coordinates with standard residential door hardware and is appropriate for new construction and remodel work alike.
Designed as an OEM-style replacement or new-installation passage knob for standard residential interior doors with a 2.375-inch or 2.75-inch backset bore preparation.
Passage knob locks are typically installed by finish carpenters, general contractors, or knowledgeable homeowners during new construction or remodel trim-out. Ensure the door bore and latch bore are properly sized before installation — do not force the latch assembly into an undersized bore. Confirm the strike plate aligns with the latch throw before final screw torque. No keying or cylinder work is required for passage function hardware.
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