These high-quality sliding gate rollers are designed for long-lasting performance in tough environments. Built with heavy-duty steel and reinforced hard nylon, they provide exceptional durability and resistance to wear. The inclusion of sealed ball bearings ensures smooth and quiet operation, making them ideal for residential and commercial door systems that demand reliability and precision. With versatile 3" and 6" size options, these rollers are compatible with a wide range of sliding doors and rolling gates. The C-post welded bracket offers a secure and adjustable installation method, suitable for both iron supports and expansion bolt mounting. Whether you're upgrading your existing gate system or installing a new one, these rollers are built to meet your needs and provide consistent performance over time.Sdstone 2Pack Slide Gate Guide Roller with C Post Welded Bracket