Door Lock Cylinder Set, Aluminum, Silver, Size B70mm A reliable replacement or installation barrel lock cylinder that fits a wide range of doors. Smooth key rotation, durable aluminum construction, and antitamper features make this cylinder a practical choice for internal and external doors. Key benefits Smooth operation: Precision cylinder and included keys provide consistent, easy rotation for daily use. Enhanced tamper resistance: Cylinder design includes pick, drill, and bump protection to reduce vulnerability to common forcedentry methods. Broad compatibility: Suitable for wooden, metal, patio, and composite doors, making it adaptable for many door types and lock cases. Simple replacement or installation: Designed to be used as a direct replacement or for lock installations, minimizing installation time. Clear sizing options: Available in 60 mm, 70 mm (B70 mm), and 90 mm to match different door thicknesses and lock configurations. Specifications Material: Aluminum Color: Silver Sizes available: 60 mm, 70 mm (B70 mm), 90 mm Quantity: 1 set Package contents 1 x door lock cylinder 3 x keys Typical applications Residential interior doors: an old cylinder on bedroom, bathroom, or basement doors for reliable everyday access. Offices and storage rooms: Install on office doors or storage cabinets where controlled key access and tamper resistance are needed. External and specialized doors: Use on front doors, patio doors, or composite entrance doors that accept barrel cylinders. Notes on selection and fit Confirm required cylinder length before ordering. Choose 60 mm, 70 mm (B70 mm), or 90 mm to match the door and lock hardware. The set includes three keys for immediate use and spare access. This aluminum barrel lock cylinder provides a combination of smooth performance, broad compatibility, and antitamper features for a practical security upgrade or replacement.