Hoppe 40.5/40.5 Keyed Dallas D-Knob Cylinder 90 degrees
Used on the HLS 9000 Dallas handle set trim
Note: The D-knob is permanently pinned to the cylinder, so they are not available separately

Cylinder Housing Length: 3-1/8" (81mm)
Inside Measurement: 1-3/8 inch (40.5 mm)
Outside Measurement: 1-3/8 inch (40.5 mm)
Cylinder Type: Active Keyed Euro - Profile
Keyway: Schlage 5 pin, SC1
Keys: 2 keys per cylinder
Cylinder Thumb Turn: D-knob

Cylinder Color / Finish Options:
Dark Bronze Metallic

Article:
HOPPE Cylinder Installation and Rekeying