ELECTROPHORESIS black coated garage door torsion springs with min 18,000 cycles. Never need to lubricate the spring and keep you hands clean. AVAILABLE in variety of spring wire diameter, inner diameter, and length to fit most garage door. ORDERING It's important to use the correct garage door torsion springs, as it is related to your safety during operation. Please make sure that the wire diameter, inner diameter, and length of the spring you choose are exactly the same as the original spring used. INSTALLATION Although it is easy to install, but we do not recommended you to install them yourself unless you have the right tools and reasonable mechanical aptitude or experience, because the torsion springs can be dangerous if they are improperly installed or mishandled. PACKAGE include pair of spring, non-slip winding bars, non-slip gloves, and installation instruction.
