D1100-216VL Vertical Lift Cable Drums for garage doors as tall as 18 feet. Vertical Lift cable drums are specially graduated and designed to wind up cables so a garage door lifts upwards on vertical tracks. Vertical Lift drums are required for a torsion assembly door with vertical tracks to properly open and close. These are 660 lbs rated lifting weight per drum and fit cables with a maximum diameter of 3/16 inch.