Emtek 5110SQUUS19 Square Knob Passage Set Flat Black

Product Description

The EMTEK 5110SQUUS19 is a square knob passage set finished in flat black, designed for interior doors that do not require locking function. The set includes a square rose and is configured for a 2-3/8 inch backset. It fits doors ranging from 1-1/4 inches to 2 inches in thickness. Passage sets of this type are installed on hallway doors, closet doors, and other interior openings where privacy or security hardware is not required. The flat black finish provides a clean, modern aesthetic suited to contemporary and transitional interior design schemes. Assembly and configuration are handled to order at the manufacturer's facility in Southern California.

This passage set is intended for residential interior door applications. It is well suited for new construction and remodel projects where a consistent hardware finish is specified throughout a home or commercial interior space. The square knob and square rose pairing delivers a geometric, design-forward look that complements modern, industrial, and transitional design themes. The set is sold individually and is appropriate for single-door installations on standard interior door thicknesses.

Key Features

• Passage function — no locking mechanism, suitable for hallway and closet doors
• 2-3/8 inch backset accommodates standard interior door prep
• Compatible with doors 1-1/4 inches to 2 inches thick
• Square knob paired with square rose for a cohesive geometric profile
• Flat black finish for modern and transitional interior applications
• Custom assembled to order at manufacturer facility

Compatibility

Designed for interior doors 1-1/4 inches to 2 inches thick with a standard 2-3/8 inch backset bore preparation.

Installation Notes

Installation is typically performed by a finish carpenter, general contractor, or experienced DIYer using standard door hardware installation tools including a drill, hole saw, and chisel. Verify the door bore diameter and backset measurement before installation to confirm fitment. Follow the manufacturer-included template and instructions for proper alignment of the knob, rose, and latch components. Ensure the door edge and face bore are clean and free of obstruction before assembling the hardware.