The 16 MM Double Swing Sliding Window Roller (GT-093) is engineered to provide superior stability and effortless movement for wider and heavier sliding window sashes. Featuring two smooth red rollers within a robust metal body, this design ensures even weight distribution and minimizes friction, allowing your windows to glide with remarkable ease. It’s a highly durable and reliable solution for high-traffic or large window applications, ensuring consistent long-term performance.