[ GARAGE DOOR SPRING DIMENSION ] - The garage door torsion spring replacement is standard residential garage door torsion spring, fit for 7', 7'6" or 8' high standard residential garage doors with 4" standard lift drums. DIMENSION: 0.250” wire size, 2” inside diameter, 35” spring length(.250x2x35"). [ HIGH-QUALITY & DURABLE ] - These garage door torsion springs are made from heat treated professional spring carbon steel coils, the surface is coated with precision electrophoretic coating, which has good corrosion resistance and wear resistance. It passed 360 hours of salt spray testing, make sure it has a service life of at least 16,000 times. [ HOW TO CHOOSE THE RIGHT GARAGE DOOR SPRINGS? ] - Generally, you can checking the original supplier label to determined the size of the garage door spring, or you can measuring the size of the spring. If neither of these methods works, you can determine the garage door spring size by measuring the weight of the garage door. If you need any help, please contact us. [ ABOUT INSTALLATION ] - Installing garage door springs requires experience and skills. If you do not have installation experience, we recommended you seek professional assistance or search for installation guidance videos online which will help you. The package include pair of 2" inside diameter garage door torsion springs, pair of gloves, 2 non-slip winding bars, a bearing for center support plate and user manual. [ Warranty & Service ] - We provide this garage door torsion spring with a 6-month warranty. If there is any problem during installation and use, please contact us on amazon, we will solve your problem within 24 hours.

This garage door springs are fit for 7', 7'6" or 8' high standard residential garage doors with 4" standard lift drums, manufactured from heat treated professional spring carbon steel coils, won't lost elasticity at least 3 years. Precision electrophoretic coating protect springs from wear and corrosion. It passed a 360 hours salt spray test, has good corrosion resistance and wear resistance which will service you for at least 16000 cycles.

The package included:

pair of .250x2x35" garage door torsion springs;

pair of gloves,

Non-slip winding bars *2;

bearing * 1;

user manual * 1.  

Installing garage door springs requires experience and skills, We do not recommend inexperienced people to install it, because torsion springs can be dangerous if they are improperly installed or mishandled. Before installation, it is important to be fully prepared, seek professional assistance, or search for guidance and videos on the internet.

When you wind the torsion springs on torsion shaft, we recommended that 7' high door 28 1/4 turns, 7'6" high door 30 1/4 turns, 8' high door = 32 1/4 turns, and then make some adjustments according to your situation.

Please notes: one out of the 4 holes on the wending cone is different from others, Convenient for determining the number of turns of winding.

Tools required for installation:

 Vice grips * 1,

 3/8” Wrenches * 1,

 9/16” Wrenches * 2,

 Tape measure * 1,

 Pair of winding bar(included),

 Gloves(included),

 Step ladder.

 

Installation safety guidelines:

Please keep children away from the installation site

Before installation, disconnect opener first.

Do not over tighten the set screws on cones and dumps, this could damage the cones and torsion shaft.

DO NOT hang tools or materials from horizontaltracks.