General description Presenting our exceptional garage door torsion springs, meticulously designed for top-notch performance. These high-quality springs offer superior functionality, long-lasting durability, and effortless installation. Crafted from high carbon steel 82B and cast aluminum ADC12, they exhibit remarkable fatigue resistance and unrivaled reliability, ensuring smooth garage operations. Technical specifications Spring Size (Wire Dia. x Inner Dia. x Length): 0.234 x 2 x 28 inch / Φ5.94 x Φ50.8 x 711 mm Net Weight (Including accessories): 23.4 lb / 10.6 kg Rotation: 1 x Dextrorotary + 1 x Levorotary Service Life: Approximately 16,000 Cycles (opening + closing) Item Model Number: 234-2-28 Main Material: High Carbon Steel 82B + Cast Aluminum ADC12 Compatibility and accessories Complete Accessories: 2 garage door springs (1 left and 1 right), 2 winding bars, anti-slip gloves, a mounting wrench, and a user manual. Installation Easy Installation: The garage spring has imprinted