V7602, 1-7/8" Heavy Duty Garage Door Roller, 7-9/16" Stem, 7/16" Shaft Plain Steel, 10 Ball Bearings For Longer Life, Use On Double Hinge Applications, Factory Lubricated For Extended Life, Used When 2 Top Brackets Or Hinges Are Placed Side By Side, For U se On Most Sectional Garage Doors, Carded.