Schlage Residential FC172 Alexandria Glass Knob Non-Turning Double Dummy PairProfessional Residential Door Hardware SolutionThe Schlage Residential FC172 Alexandria Glass Knob provides elegant non-turning dummy functionality for residential applications. This double dummy pair features the distinctive Alexandria glass knob design with Grade 2 ANSI/BHMA certification for doors ranging from 1-3/8″ to 1-3/4″ thickness. The non-keyed configuration makes it ideal for door pulls or matching inactive trim applications where operational locking is not required.Professional Features & BenefitsDoor Thickness Compatibility: Accommodates 1-3/8″ to 1-3/4″ door thickness range for versatile residential installation options.Grade 2 Certification: ANSI/BHMA A156.2-2017 Grade 2 and ANSI/BHMA A156.39-2015 Residential Grade AA certification ensures reliable performance standards.Fire Door Rating: Available UL Listed for 90 minute fire door applications providing enhanced safety compliance options.Dual Backset Design: Fits either 2-3/8″ or 2-3/4″ backsets with universal latch configuration for flexible installation requirements.Premium Construction: Stainless steel substrate with Alexandria glass knob design delivers durability and aesthetic appeal for residential applications.Easy Installation: Features 3-step installation process requiring only a screwdriver for convenient setup.Non-Handed Operation: Universal design works on both left and right-hand door configurations without modification.Manufacturer Warranty: 10 Year warranty coverage for added confidence and long-term protection.Standard FeaturesCertification:ANSI/BHMA A156.2-2017 Grade 2ANSI/BHMA A156.39-2015 Residential Grade AAAAvailable UL Listed for 90 minute fire doorLatch: 1″x 2-1/4″, 1/4″ radius corner faceplate, 1″ housing diameter, 1/2″ throw, circular drive-in included, universal latchStrike: 1-5/8″ x 2-1/4″ radius corner, full lipBackset: Dual backset latches, fits either 2-3/8″ or 2-3/4″ backsetsCylinder: 5-Pin, C keyway, keyed alike (KA4)Door Range: 1-3/8″ 1-3/4″Keys: Two per lock, 5-pin, C sectionInstallation & OperationReview manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.Professional ApplicationsResidential Entry DoorsInterior Door ApplicationsMulti-Family Housing UnitsApartment and Condominium BuildingsSingle-Family Home ConstructionDoor Pull ApplicationsInactive Trim MatchingWhy Choose Schlage Residential Quality?Schlage Residential FC172 dummy knobs deliver professional-grade reliability with stainless steel construction and Grade 2 ANSI/BHMA certification for demanding residential applications. The 10 Year warranty provides long-term protection and confidence in product performance. Engineered with dual backset compatibility and universal installation design where dependable hardware performance is essential.