10pcs Heavy Duty Garage Door Track Rollers Rolling Gate Sealed Bearing Idler Wheel

10pcs Heavy Duty Garage Door Track Rollers Rolling Gate Sealed Bearing Idler Wheel Specification: Color:White Overall size(approx.):104mm/4.09"(L) Diameter(approx.):45.6mm (Detail size as shown in the picture) Material:Plastic and metal OTY:10 Feature: 1.It is durable and convenient. 2. Simple design and easy to use. 3.These rollers will quiet the door to an unbelievable degree and last longer than the door itself. 4.These rollers use regular motor oil in a dispenser for lubrication.(Lubricate the outside roller wheel and the door track, Roller bearings are sealed and need NO lubrication) Package included: 10 x Rollers