Garage Door Torsion Spring Set: This heavy-duty replacement set includes a pair of torsion springs (0.218inch wire x 2inch ID x 26inch length), designed for 7' or 8' high garage doors with 4" standard lift drums. These springs ensure smooth, reliable operation High-quality craftsmanship: Torsion springs for garage door are made from heat treated professional spring carbon steel coils with precision electrophoretic coating resist wear, rust, and fatigue. Rigorously tested for 360+ hours in salt spray and rated for 18,000–19,000 cycles, they deliver long-lasting performance without needing lubrication Easy Size Matching: To ensure compatibility, match the wire diameter (0.218“), inner diameter (2”), and length (26") to your original springs. Unsure how to measure? Check the door weight or the manufacturer's label-or contact us for expert guidance. Complete Installation Kit: Includes left and right springs, two 17.2" non-slip winding bars, anti-slip gloves, and clear instructions. Upgraded aluminum cones ensure secure mounting, while the winding bars simplify safe installation (professional help recommended). Hassle-Free Support & Warranty: Our products are provided with quality assurance, if you have problems during installation or use, please contact me through Amazon, I will solve your problem within 24 hours. Garage Door Torsion Spring Set, Pair of 2" Electrophoresis Coated Garage Door Spring Replacement with 2 Non-Slip Winding Bars and Bearing, Minimum 18000 Cycles (.218x2x26)