Set of 10---2 Inch 13 Ball Nylon Garage Door Roller (7 Inch Stem)
A Quantity of 10 -- 13 Ball Nylon Garage Door Rollers(7 inch stem) SEALED BEARING Shaft Length: approx 7" Roller Diameter: 1.75" for 2" track Shaft diameter: 7/16" 13 ball bearing rating: 125lbs per roller @ 20,000 cycles 12' door