Huazu Sliding Patio Door Tandem Roller Assembly - 1-1/4 Inch Steel Ball Bearing, Replacement Rollers for Sliding Glass Doors, Screen Doors, Gates, and Windows (2 Pack)

STANDARD SIZE: The sliding patio door roller measures about 5/16-inch in wheel thickness (width), 1-1/4-inch in diameter., QUALITY MATERIALS: Our sliding door rollers are made of strong steel material, stable and not easy to break. The surface is galvanized, corrosion resistant and not easily rusted., SOLID CONSTRUCTION: High quality radial ball bearings are made of heat treated bearing steel. The 2 rollers can withstand 265 lbs, and still work after 100,000 cycles., EASY TO INSTALL: Simply remove the old or broken tandem roller assemblies from your sliding glass doors or windows, then install new sliding door roller assembly., WIDELY USED: Sliding patio door wheels are suitable for sliding glass doors, screen doors, windows, vinyl patio doors, sliding gates, closets and more.