BEST 1EF Series Standard Lost Motion Mortise Cylinder Less Core with 1-5/32" DiameterProfessional Mortise Cylinder Component for E Series Lock SystemsThe BEST 1EF Series Standard Lost Motion Mortise Cylinder Less Core provides essential cylinder functionality for E Series mortise lock applications. This professional-grade component features a 1-5/32" diameter construction with solid brass or bronze materials for reliable performance. Available in 6-pin (1-1/8" length) and 7-pin (1-1/4" length) configurations, the cylinder includes standard 1E-C230 cam setup for lost motion operation and RP2 ring package for complete installation compatibility.Professional Features & BenefitsPrecise Diameter Specification: 1-5/32" diameter ensures proper fit in mortise lock applications for reliable operation.Dual Length Options: Available in 6-pin (1-1/8" length) and 7-pin (1-1/4" length) configurations to match specific lock requirements.Premium Construction: Solid brass or bronze materials provide exceptional durability and corrosion resistance for long-term performance.Lost Motion Cam Design: Standard 1E-C230 cam (1E-C4 setup) enables lost motion functionality for enhanced security applications.Complete Ring Package: RP2 ring package supplied standard for both 6-pin and 7-pin versions ensures proper installation.Flexible Handing Options: Available in RHO, RHI, LHO, and LHI configurations to accommodate various door applications.E Series Compatibility: Designed specifically for BEST E Series mortise lock systems for seamless integration.Technical SpecificationsCollection: E Series CylindersCommercial/Residential: ResidentialDepartment: Door HardwareParts and Accessories Type: Replacement PartsProduct Attribute: Parts and AccessoriesProduct Category: Mechanical LocksProduct Group: Parts and AccessoriesProduct Subgroup: CylindersProduct Type: CylindersSeries: 1EF SeriesSubcategory: Parts and AccessoriesInstallation & OperationThis cylinder component is designed for use with compatible BEST E Series mortise lock systems. Refer to the parent device installation instructions and manufacturer documentation for proper integration. Ensure compatibility with existing hardware before installation.Professional ApplicationsE Series Mortise Lock ReplacementCommercial Building Security UpgradesResidential Lock System MaintenanceMulti-Tenant Property ManagementEducational Facility Hardware ServiceHealthcare Institution Lock RepairGovernment Building Security SystemsWhy Choose BEST Quality?BEST 1EF Series cylinders deliver professional-grade reliability with solid brass or bronze construction engineered for demanding commercial and residential applications. The precision 1-5/32" diameter and lost motion cam design ensure dependable performance in E Series mortise lock systems. Comprehensive documentation and ring package inclusion provide complete installation support for professional locksmiths and facility managers.