Product Info Catalog Hardware Garage Door Accessories Left-Wind Torsion Spring Left-Wind Torsion Spring Request a Quote UPC: 38613281196 Manufacturer: National Mfg/spectrum Brands Hhi SKU: 125043 Model Number: N281-196 Plain Steel, Left Wind Torsion Spring, .243 Wire Diameter x 1-3/4" Inside Diameter x 32" Length, For Residential Garage Doors Only, Boxed.