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Helical Door Spring provides reliable automatic door closing through a strong, compact spring mechanism. Designed for durability, it ensures consistent performance and smooth operation without the need for complex hydraulics. Ideal for lightweight to medium doors, it helps prevent doors from being left open, improving safety and energy efficiency. Easy to install and low maintenance, this cost effective solution is suitable for residential and light commercial applications, delivering dependable functionality, long service life, and simple, practical door control.