National 1-3/4 In. x 32 In. Right Wind 140 Lb. Lift Garage Door Torsion Spring Doors & Windows width control tabs allow each

width control tabs allow each side to adjust independently

The included MM 2 Flexible Mounting Device provides microfine height adjustment

Fluidmaster Dishwasher water supply connectors or water supply lines are built to last

Applications: Superior Tool For Large Grinding & Deburring Applications

National 1-3/4 In. x 32 In. Right Wind 140 Lb. Lift Garage Door Torsion Spring Doors & Windows width control tabs allow eachGarage door spring for doors weighing between 270 lb. and 280 lb. A pair of each spring should be used during installation. 140 lb. of lift for a 7' high door. Lift numbers are based on 4' diameter drums. Left and right wind versions are made of plain steel, and are reliable and durable.