4 - 8210 Cylinder and Keys for Sliding Patio Door Suit 4-8610

Cylinder and Keys for Sliding Patio Door Locks High-quality 5-pin cylinder with tail, compatible with C4 keys. Designed to suit Boral KM Cyclone and GJames sliding patio door lock systems. This replacement cylinder provides secure locking functionality for residential patio doors and sliding glass installations. Ideal for homeowners and builders needing reliable lock hardware for patio door security upgrades or repairs. Used with 4 - 8610 and 4 - 8710