Garage Door Torsion Springs 2 Pair with Non-Slip Winding Bars

REPLACE BROKEN SPRINGS:Use this pair of high quality garage door torsion springs to replace old broken garage door springs. It includes stationary and winding cones. HIGH QUALITY PRODUCT:Made of heat treated steel coils with aluminum cones to make sure they are extremely heavy duty. – Surface coated black for smoother, cleaner operation and also corrosion resistant and oil tempered for longer life. SERVICE LIFE:For use on doors 7′ or 8′ high doors with 4″ standard lift drums. Engineered for maximum application range. Minimum 18,000 cycles, at +/- 7.5 lbs of target door weight. DIMENSION:.243” wire size x 2” inside dimension x 30.5” length. – IMPORTANT:Please purchase after confirming that the outer diameter,wire diameter and length are totally the same as the original product. All our garage door torsion springs br meet the association of door and access control system manufacturers standard rating of 10,000+ door open and close cycles. Both the winding and stationary cones br are professionally installed for safe operation. – Surface coated black to make sure springs won’t rust in the open air. Do NOT attempt to install springs or hardware yourself unless you have the br proper tools, reasonable mechanical aptitude and experience, and upper arm strength. Extension and torsion springs, along with attached hardware, are under extreme tension at all br times. All tension must be released from springs before any work is performed. br IMPORTANT:Please purchase after confirming that the outer diameter, wire diameter and length are totally the same as the original product. – Even a little change in size can result in different performance,so please check carefully before purchasing to avoid waste. br