Inactive Keyed 31.5/10 Hoppe 41.5mm 1/2 Euro Profile cylinder, No Thumbturn -

Cylinder are measured from screw hole to each side
Inside Distance = 1-1/4 inch (31.5mm)
Outside Distance = 3/8 inch (10mm)
Overall (inside + outside) = 1-5/8 inches (41.5mm)
Keyway: Schlage SC1, 5 pin
Material: Brass
Color / Finish: Rustic Umber ( Oil Rubbed Bronze) and Satin Nickel