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25” x 42” Garage Door Extension Springs for 7 foot high doors. Extension springs are installed on either side of a garage door to open and close it with a pulley system and the garage door operator. These 25 inch x 42 inch Springs are specifically for use on 7 foot high doors and are available in weights ranging from 40 lbs to 320 lbs. Extension Springs extend and retract with a garage door as it opens and closes to counterbalance the weight of the door and provide smooth operation. One end of the extension spring is attached to the bottom of the door with the pulley and cable system, while the other end is secured to the horizontal garage door track with a heavy-duty S-Hook.
Features:
25” x 42” Extension Springs for 7 ft. High Garage Doors
Available pulls ranging from 40 to 320 lbs
One end attaches to bottom of the door with cables, other end attaches to horizontal track with S-Hook
Holds the door in the open position and smoothly brings it to a close
Installs on either side of the door
Counterbalances the weight of garage doors
Available Options:
40 Lbs - 25-42-40-EA
50 Lbs - 25-42-50-EA
60 Lbs - 25-42-60-EA
70 Lbs - 25-42-70-EA
80 Lbs - 25-42-80-EA
90 Lbs - 25-42-90-EA
100 Lbs - 25-42-100-EA
110 Lbs - 25-42-110-EA
120 Lbs - 25-42-120-EA
130 Lbs - 25-42-130-EA
140 Lbs - 25-42-140-EA
150 Lbs - 25-42-150-EA
160 Lbs - 25-42-160-EA
170 Lbs - 25-42-170-EA
180 Lbs - 25-42-180-EA
190 Lbs - 25-42-190-EA
200 Lbs - 25-42-200-EA
210 Lbs - 25-42-210-EA
220 Lbs - 25-42-220-EA
230 Lbs - 25-42-230-EA
240 Lbs - 25-42-240-EA
250 Lbs - 25-42-250-EA
260 Lbs - 25-42-260-EA
270 Lbs - 25-42-270-EA
280 Lbs - 25-42-280-EA
320 Lbs - 25-42-320-EA