Lot of 4 4' wide by 8' long roller conveyors. The roller legnth is 47 3/4". They have a diameter of 1 7/8" and are placed 2" center to center. Occasionally, two rollers are replaced by one roller with a diameter of 3 3/8". Overall dimentions 96" long by 50 1/2" wide by 3 1/2" tall. These could be used for flow racks or unpowered pallet conveyor.