Garage Door Springs | DDM Garage Doors, Inc.
Residential garage doors typically use either one or two springs. On a lighter garage door, one spring will suffice. ... also 1" in diameter. The black winder has the letter "R" or "L" on it, corresponding to the right or left side of the garage door. As with standard residential torsion springs, typically, one or two springs fit on the shaft ...
DA: 72 PA: 49 MOZ Rank: 11