Key In Knob, Lever, Deadbolt Cylinder For Schlage SC1 / SC4 US26D 2006-Ford-Freestyle while the resilient tempered steel

while the resilient tempered steel ensures they won't lose shape with repeated use

A Schlage C123 cylinder can be used in key-in-knob locks

If you use lens #1 you see at 1

how to practice

Key In Knob, Lever, Deadbolt Cylinder For Schlage SC1 / SC4 US26D 2006-Ford-Freestyle while the resilient tempered steelThe Schlage C Keyway Key in Knob 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 pinning specifications of original Schlage systems. It comes with multiple tailpieces and a screw on retaining cap. Ideal for Grade 1 and 2 Knob Locks, Lever Locksets, and Deadbolts. This cylinder comes keyed 5 pin (SC1) but can have a 6th pin (SC4) added. Keyed 5 pin