The Schlage C Keyway Key in Knob Sargent .55″ Face Cylinder with US26D finish is made of solid brass and is compatible with the SC1 and SC4 keys. This cylinder is specifically designed to meet the exact specifications of original Sargent .55″ Key-in-Knob cylinder systems. It comes with multiple tailpieces and a screw-on retaining cap. This cylinder works only with Sargent Locks that have the .55″-hole face for the cylinder to go through. This cylinder comes keyed 5-pin (SC1) but can have a 6th pin (SC4) added.

• Comes drilled for 6-pin (SC4), keyed for 5-pin (SC1).
• Comes with two keys.
• Supplied with multiple tailpieces.
• Works only withSargent Locks that have the .55″ hole face for the cylinder to go through.