2-Pack 7" Stem Steel Garage Door Rollers for 2" Track-Long Shaft Upgrade for Heavy Wood & Wide Doors-Sealed 10-Ball Bearings for Stability & Gap Fix

1.High Performance and Durability: Reinforced sealed bearings with 10 balls prevent dust and dirt, ensuring long-lasting efficiency and reliability. 2.Quiet and Smooth Operation: Steel construction guarantees ultra-quiet performance for a peaceful experience. 3.Wide Compatibility: 7-inch steel shaft with a 7/16-inch diameter fits most residential and commercial garage doors. 4.Smooth and Strong Performance: Ball bearings reduce friction for smooth operation; sturdy 7-inch steel rod supports heavy doors. 5.Rigorously Tested: Tested up to 100,000 cycles at 250 pounds, ensuring superior reliability and durability.