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Home Springs and Spring Hardware Extension Springs Misc Garage Door Dock & Gate
EXT-HDWR-BOX-7/8

Installation Box for Extension Springs for 7' & 8' Doors

  • Installation Hardware includes 3" sheaves sheave strap cables safety cable fasteners
25-42-110

Extension Spring 7' Door - 110 lbs White

  • Double - Loop
  • 25" long 42" stretch 110 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
27-48-300

Extension Spring 8' Door - 300 lbs Tan

  • Single - Loop
  • 27" long 48" stretch 300 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
25-42-150

Extension Spring 7' Door - 150 lbs Red

  • Double - Loop
  • 25" long 42" stretch 150 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
25-42-260

Extension Spring 7' Door - 260 lbs Brown w/ clip

  • Double - Loop end for strength
  • 25" long 42" stretch 260 lb load
  • Sold individually
  • Rated for 10000 cycles
25-42-240

Extension Spring 7' Door - 240 lbs Blue w/ clip

  • Double - Loop end for strength
  • 25" long 42" stretch 240 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
25-42-70

Extension Spring 7' Door - 70 lbs Orange

  • Double - Loop
  • 25" long 42" stretch 70 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
27-48-150

Extension Spring 8' Door - 150 lbs Red

  • Single - Loop
  • 27" long 48" stretch 150 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
25-42-90

Extension Spring 7' Door - 90 lbs Light Blue

  • Double - Loop
  • 25" long 42" stretch 90 lb load
  • Sold individually
  • Same as part number 109
  • Rated for 10000 cycles
Spec Sheet
25-42-180

Extension Spring 7' Door - 180 lbs Gold

  • Double - Loop
  • 25" long 42" stretch 180 lb load
  • Sold individually
  • Rated for 10000 cycles
  • Same as part number 118
Spec Sheet
25-42-170

Extension Spring 7' Door - 170 lbs Orange

  • Double - Loop
  • 25" long 42" stretch 170 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
27-48-170

Extension Spring 8' Door - 170 lbs Orange

  • Single - Loop
  • 27" long 48" stretch 170 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
27-48-180

Extension Spring 8' Door - 180 lbs Gold

  • Loop ends
  • 27" long 48" stretch 180 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
25-42-300

Extension Spring 7' Door - 300 lbs Tan w/ clip

  • Double - Loop
  • 25" long 42" stretch 300 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
25-42-60

Extension Spring 7' Door - 60 lbs Brown

  • Double - Loop
  • 25" long 42" stretch 60 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
25-42-120

Extension Spring 7' Door - 120 lbs Green

  • Double - Loop
  • 25" long 42" stretch 120 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
25-42-160

Extension Spring 7' Door - 160 lbs Brown

  • Double - Loop
  • 25" long 42" stretch 160 lb load
  • Sold individually
  • Rated for 10000 cycles
  • Same as part number 116
Spec Sheet
27-48-140

Extension Spring 8' Door - 140 lbs Blue

  • Single - Loop
  • 27" long 48" stretch 140 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
27-48-160

Extension Spring 8' Door - 160 lbs Brown

  • Single - Loop
  • 27" long 48" stretch 160 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
25-42-140

Extension Spring 7' Door - 140 lbs Blue

  • Double - Loop
  • 25" long 42" stretch 140 lb load
  • Sold individually
  • Same as part number 114
  • Rated for 10000 cycles
Spec Sheet