Rockwell 360 degree Europrofile cylinder fits all 3/8” (90 mm) thick doors and comes with a set of solid brass nickel-plated keys. They are keyed in a five-pin SC1 configuration for use with mortise and multipoint locks. These cylinders are rekeyable to Schlage SC1 pin depths and increments. With a 360 degree lock-and-turn mechanism, it provides fast and easy access without compromising security. They are made to fit 2-1/4″- 2-3/8" thick doors.