90 degree solid brass active keyed Euro profile cylinder.
Used with Euro style single and multipoint locks.
Replaces: Fuhr, Hoppe, CES, Roto, GU, Essve, Winkhaus and other profile cylinders.
Constructed of solid brass.

Fits standard 1-3/4 inch (45 mm) thick door.
Inside Length: 1-1/4 inch (32 mm)
Outside Length: 1-1/4 inch (32 mm)
Overall Length: 2-1/2 inches (64 mm)
Keyway: Schlage SC-1 Rekeyable 5 pin, 2 keys

Available finishes
Polished brass
Polished chrome
Oil rubbed bronze
White
Satin chrome
Satin nickel
Antique Nickel 

Priced and sold each.

Article:
HOPPE Cylinder Installation and Rekeying