Upgrade to premium performance with our 16 MM Double Swing Imported Sliding Window Roller (GT-094). This high-quality imported roller features a dual-wheel design with smooth red rollers and a robust metal body, meticulously engineered for exceptional durability and fluid operation. It provides superior weight distribution and minimizes friction, making it an ideal choice for large, heavy-duty sliding windows where unmatched smoothness and long-lasting reliability are essential.