CORROSION RESISTANT - Solid garage door spring made of galvanised steel wire - durable and corrosion-resistant, ensuring reliability for years. Gate Manufacture SPECIFICATIONS - Gate spring made to manufacturer specifications, with exact wire diameter and length, corresponding to the original. Provides reliable performance and durability. READY FOR INSTALLATION: The ends of the spring are carefully bent and prepared to be attached to the tenons for easy and safe replacement of garage door springs. Rotation marker: The spring with yellow line is our special suggestion - the rotation marker for easy installation. With it, you can install the spring easily and use your garage door safely. LONG LIFE - The garage door spring offers a long service life - its number of cycles matches the specification of the original spring, so you can rest assured that your gate will work reliably for a long time., Manufacturer: KASTOM TOMASZ KAŚKIEWICZ