A one piece garage door spring would be a great choice if you're looking to trim your garage door. One piece garage door springs are durable, strong and available in various sizes. You can find one piece garage door torsion springs, one piece garage door tension springs as well as one piece garage door extension springs among other products. A garage spring can certainly prolong the life of a door. No matter whether you're looking for garage door spring replacements, garage door opener springs or garage door side springs, you're sure to find a model that fits your particular door just right.
Holmes One Piece Garage Door Spring P928 (Single Spring)
"Holmes P928 one piece garage door spring. One spring included. There are normally 2 P928 springs on a single car aluminum one piece garage door one on each side."
Holmes One Piece Garage Door Springs P728 (Pair)
"Holmes P728 one piece garage door springs. There are normally 2 P728 springs on a heavier 2 car 16-foot wide 7 foot high or larger aluminum one piece garage doors one on each side. Two springs included."
These door springs can be found at amazon.com