Blue Hawk 27.95-in 110-lb Rated White Steel Garage Door Extension Spring and Safety Cable – Free Shipping $1.06

https://www.lowes.com/pd/Blue-Haw…e/50261043
They are shipping these for free, I bought 10 of them and the shipment weighs 40 lbs. Really good deal on these if they are right for your garage door. Normal price for a 2 pack is around $20. Get a lifetime supply while they’re on sale!
The 140 lb springs are $1.40 https://www.lowes.com/pd/Blue-Haw…e/50261049
The 100 lb springs are $3.42 https://www.lowes.com/pd/Blue-Haw…e/50261041