20-Pack 4" Stem Blue Quiet Garage Door Rollers, Sealed End Cap, Fits 2" Track, 7/16" Stem (4.3" Length), Carbon Steel Stem with Nylon Overmold + Reinforced Nylon Wheel, Smooth & Low-Vibration

Quiet, Low-Vibration RollingUpgraded nylon-overmolded carbon steel stem paired with a reinforced nylon wheel helps reduce vibration and metal contactdelivering quieter, smoother door movement. | Sealed End Cap + Double-Sealed BearingsProtective end cap plus double-sealed bearings help reduce debris ingress and keep the bearing area running smoothlyless sticking and fewer squeaks over time. | Made for Residential Sectional Garage Doors (2" Track)Designed for common residential sectional garage doors and compatible with standard 2-inch track systems. Works with manual doors and most openers to help reduce rattling. | Verified Fitment: 7/16" Stem, 4.3" Stem Length7/16" stem diameter with 4.3" stem length (4" stem design) for typical residential hinges/brackets. Please measure your current stem diameter and length before ordering. | 20-Pack for Full Door Refresh & Multi-Door HomesThe 20-pack is ideal for a complete roller replacement on most residential doors, multi-door garages, or proactive maintenancemaximize quiet performance across the entire system and keep extras for future service.