Marks USA MESC600F Lever/Escutcheon Storeroom Exit Device Trim for M9900 SeriesThe Marks USA MESC600F is a professional-grade Lever/Escutcheon Storeroom Exit Device Trim engineered specifically for the M9900 Series Touchbar Exit Devices. Designed for commercial applications on wood or metal doors with a 1-3/4″ door thickness and a minimum stile size of 3-1/2″, this trim delivers reliable storeroom function with a 1-1/4″ mortise cylinder type. The field-reversible hand configuration and standard Marks “C” Keyway KNK cylinder make it a versatile solution for demanding commercial environments, backed by a Lifetime Limited Warranty.Key FeaturesStoreroom Mechanical Function: Provides secure storeroom function, keeping the exterior lever locked at all times while allowing free egress from the inside via the exit device touchbar.M9900 Series Compatibility: Designed exclusively for use with Marks USA M9900 Series Touchbar Exit Devices, ensuring seamless integration and reliable performance.Door Thickness & Stile Requirements: Compatible with 1-3/4″ door thickness and requires a minimum stile size of 3-1/2″ for proper installation on wood or metal doors.1-1/4″ Mortise Cylinder Type: Accepts a 1-1/4″ mortise cylinder, providing a secure and industry-standard keying interface for commercial access control.Field Reversible Hand: The field-reversible handing allows the trim to be configured for left- or right-hand doors on-site, reducing inventory requirements and simplifying installation.Standard Marks “C” Keyway KNK Cylinder: Includes the standard Marks “C” Keyway KNK cylinder for the panic device, offering a familiar and widely supported keying platform.Wood or Metal Door Compatibility: Suitable for installation on both wood and metal door constructions, providing flexibility across a wide range of commercial door applications.Lifetime Limited Warranty: Backed by a Lifetime Limited Warranty, reflecting Marks USA’s commitment to long-term product reliability and customer confidence.Certifications & ComplianceUL Listed UL305Commercial GradeLifetime Limited WarrantyTechnical SpecificationsProduct Group: Exit Devices and TrimCommercial/Residential: CommercialSubcategory: Exit Devices – RimProduct Type: Exit Device TrimsFeatures: Key Entry Exit Device TrimSeries: M9900 TouchbarADA Compliant: NoCylinder Classification: Conventional CylinderProduct Category: Exit Devices and TrimDepartment: Door HardwareTypical ApplicationsCommercial Office BuildingsEducational FacilitiesHealthcare InstitutionsRetail EstablishmentsIndustrial and Warehouse FacilitiesMulti-Tenant Residential PropertiesGovernment and Municipal BuildingsWhy Marks USA MESC600F?Marks USA MESC600F Exit Device Trim delivers professional-grade reliability with a field-reversible design, 1-1/4″ mortise cylinder compatibility, and UL305 listing for verified performance in commercial applications. Engineered for the M9900 Series Touchbar Exit Devices and suitable for 1-3/4″ wood or metal doors with a minimum 3-1/2″ stile, this trim is built to meet the demands of high-traffic commercial environments where dependable storeroom function and long-term durability are essential.