Experience unparalleled performance with our 16 MM Premium Sliding Window Roller (GT-091/092), available in both Groove (GT-091) and Flat (GT-092) options to perfectly match your track profiles. These rollers feature a high-quality green roller set within a robust metal frame, engineered for exceptional smoothness, quiet operation, and superior durability. Ideal for heavy-duty or frequently used sliding windows, they ensure reliable, long-lasting performance and effortless gliding.