Major Mfg. Co Inc

• Cylinder drive cam for Yale standard mortise cylinder, can also be used on removable core housings.
• Not included in extend-a-cylinder kit.
• Proper length cam screws included with driver.
• Driver will work for all extend-a-cylinder length kits.
• The completed extended cylinder requires the use of a KABA ILCO cam.
• The original manufacturers cam will no longer fit.