Wafer Cylinder for Exterior storm door handleset 

Cylinder Type: Wafer 

Overall Length:  1-1/4"

Diameter: 1/2"

Characteristics:  The end of cylinder has a 1/2" flat Edge

Keys: 2 

Keyway: Y11

Tail Piece: # 23 is NOT included

Note: 

1. To Install key cylinder the Lock must be off the door.

2. Flat edge up, insert into the cylinder hole and rotate 180 degrees

3. Remove key from cylinder

4. Install handleset back on door

4. Test operation, before closing door.

Related Hardware:

302001:  4 post storm door handle set trim

309008:  Key Cylinder Only

309008-23:  Tail Piece, number 23