375 x 3-3/4 Commercial Garage Door Torsion Spring

Exceeds industry standards with a minimum lifecycle of 20,000 cycles, providing reliable, long-term performance. Fabricated with high carbon ASTM 229 Class II Oil-Tempered Wire for strength and flexibility in demanding applications. E-Coating: Coated for enhanced resistance to corrosion and wear, extending the spring’s lifespan in tough conditions. Comes with winding bars and gloves for safe and efficient installation. Includes color-coded winding and stationary cones, making identification and installation simple and straightforward. Engineered with key factors like spring rate, maximum deflection, and load capacity to ensure smooth and efficient door operation.