12 Pack 1" Truck Trailer Door Rollers,Box Truck, Heavy-Duty Truck Trailer Door Wheels Rollers Replacement Parts Hardware,Commercial Vehicle Doors 7/16'' Diameter X 2-3/4'' Long Rod

Heavy-Duty Steel: 1" solid steel resists extreme wear, corrosion, and impact—ideal for long-haul trailers and box trucks. Exact Fit: 7/16" stem × 3.3" long, precision-machined for 1" tracks—smooth, quiet, wobble-free. Universal Use: Fits tractor-trailers, box trucks, vans, garages, and fleet shops. Tool-Free Install: Swap in minutes, zero downtime. Low Maintenance: Grime-resistant; light lube, long life.

• Heavy-Duty Steel Construction：Machined from solid, 1-inch heavy-gauge steel, these rollers resist extreme wear, corrosion, and high-impact stress—engineered for long-haul tractor-trailer and box-truck doors. The rugged steel body and tight tolerances minimize wear to prevent premature failure, far outlasting standard rollers.
• Exact Roller Dimensions：7/16-inch diameter stem × 3.3-inch overall length, precision-machined for a perfect fit in 1-inch track systems. Ultra-tight tolerances eliminate wobble, delivering whisper-quiet, smooth, and effortless operation—even under maximum load.
• Broad Commercial Compatibility：Built for continuous commercial duty, these heavy-duty replacement rollers handle high-impact loads on tractor-trailer doors, box trucks, and loading systems. Compatible with semi-trailers, box trucks, utility vans, fleet depots, garages, and repair shops.
• Tool-Free Installation：Drop-in replacements—no tools, no modifications. Swap out worn rollers in minutes and cut downtime to nearly zero, keeping your operation running at full speed.
• Low-Maintenance & Easy to Clean：Corrosion- and grime-resistant finish requires only light lubrication to maintain peak performance. Saves labor costs and keeps your fleet rolling reliably all year long.