ERA Invincible Lever Operated Hook & Latch Split Spindle - Centre Case GearboxThe 6635 is a hook and latch multipoint centre case from ERA's Invincible range, designed to accept the 3* Invincible cylinder. It features a reversible latch for ease of installation as well as a split spindle function for lever pad applications, and snib facility as standard. It has been salt spray tested to 240 hours corrosion resistance, it meets the standards of PAS 24 and is Secured by Design (Police approved specification). Hook & latch centre