从Viet Nam供应商批量进口Rolling Shutter Spring, Garage Door Spring

1.LEFT-SIDE COMPATIBILITY: When facing from inside the garage, the RED CONE torsion spring is for the LEFT SIDE of the garage door. 2.TORSION SPRING PACKAGE INCLUDES: Garage door torsion spring for Left Side of garage door - Red Cone 3.TORSION SPRING DIMENSION: 218 wire size x 1.75 inside dimension x 31 length Garage Door Torsion Spring. 4.HIGH QUALITY GARAGE DOOR SPRING: Made of heat-treated professional spring steel coils with aluminum cones to make sure they are extremely heavy duty. The latest electrophoretic coating technology provides excellent corrosion proof performance and superior abrasion proof performance. Salt spray tests up to 400 Hours, and Minimum 30,000 Cycles. NEVER need to lubricate the spring, keep hands clean during installation. 5. GARAGE DOOR SIMPLE INSTALLATION: Use G.A.S Hardware high quality garage door torsion springs to replace old broken garage door springs. Having the experience of installing torsion springs can save you a lot of money. 6. GARAGE DOOR TORSION BAR IMPORTANT: Please make sure that the wire diameter, inner diameter, and length of the spring you choose are the same as the original spring used. The extra time should prove beneficial. Over the years we have discovered that informed customers are happier.