DURA LIFT Heavy Duty 2 Pack 130 lb 2 Pack Yellow Steel Garage Door Extension Spring Vanity Cabinet depth of cut capacity provides depth of cut capacity provides additional versatility of applications Anti snag ball bearing lower guard provides smooth guard operation and long life in harsh environments Toughcord provides longer durability against cord pull outs Integrated dust blower function cleans the line of sight during cutting Durable high grade Aluminum smooth base for accurate cuts lightly soiled loads will be clean in as little as 15 minutes (based upon a 3 lb load) Presoak option lets you skip soaking outside of the washer 130 pound weight capacity spring for 130 pound garage door using extension spring system Springs for your sectional garage door replacement extension springs based on your garage door weight Simple installation install new or replace old rusty springs quickly (professional installation recommended) Corrosion resistant coated steel coils to help slow rusting process over spring life 1 Year warranty springs are warranted for 1 year from purchase date