The G-MDS12 Mild Steel Door Spring is a practical solution for automatically closing lightweight to medium-duty doors. Constructed from high-grade mild steel, it offers excellent durability, corrosion resistance, and consistent tension for long-term performance. Suitable for both residential and light commercial use, this door spring is easy to install and ideal for internal doors that require smooth and secure closing without a full door closer. Compact, cost-effective, and built to last, it delivers everyday reliability with minimal maintenance.