Brass Extended Cylinder Lock — durable, secure replacement for thicker doors Why you need this Solves fit problems for doors thicker than standard cylinders support by offering extended lengths. Improves security and reliability with a solid brass body and a pre-tensioned anti-theft core that resists tampering. Reduces maintenance and replacement frequency thanks to corrosion‑resistant material and long-lasting construction. Key benefits Durable material: solid brass construction resists corrosion and wears well over time. Enhanced protection: pre-tensioned anti-theft core provides added resistance to forced entry or manipulation. Correct fit: multiple length options let you match cylinder length to door thickness for secure, even engagement. Easy swap-in replacement: installs with common tools and standard alignment, making upgrades and repairs straightforward. Product highlights Function: reliable locking performance in an extended cylinder format for thicker doors or refined installations. Compatibility: designed to fit standard cylinder housings used on most doors; works as a direct replacement where the cylinder style and housing match. Sizes available: 65 mm, 70 mm, 80 mm, and 90 mm to accommodate a wide range of door thicknesses. Material: solid brass for durability and corrosion resistance. Simple installation Replacement is straightforward for compatible doors: remove the retaining screw, pull out the old cylinder, insert the new cylinder and realign with the cam, then secure with the retaining screw. Requires common hand tools and standard alignment; no special adapters required when the housing is compatible. Typical use scenarios Replacing a worn cylinder on a front entry or interior door where corrosion or wear has reduced performance. Installing on office doors with thicker frames or multi-room setups that need longer cylinders for proper engagement. Renovation or new-build projects that require consistent cylinder sizing across multiple doors for standardized hardware. Important note Verify door thickness before ordering to select the correct cylinder length for optimal fit and secure operation.