• 5.25″ diameter drum for 19.6″ tall residential/commercial door with set screws installed and color coded, 1/4″ Keyway under Set Screw
• Standard Lift
• Max. weight capacity: 750 lbs/drum
• Max. Cable: 3/16″ cable for 1-1/4″ solid shaft
• Bore: 1-1/4″
• Cross Reference: APCO 400-19